WIP: SL1 profiles, SL1 in wizard, switching between FFF / SLA

21 files changed, 408 insertions, 148 deletions

diff --git a/resources/icons/printers/PrusaResearch_MK2.5MMU2.png b/resources/icons/printers/PrusaResearch_MK2.5MMU2.png
new file mode 100644
index 000000000..eb5dccf08
--- /dev/null
+++ b/resources/icons/printers/PrusaResearch_MK2.5MMU2.png
diff --git a/resources/icons/printers/PrusaResearch_SL1.png b/resources/icons/printers/PrusaResearch_SL1.png
new file mode 100644
index 000000000..281d7a620
--- /dev/null
+++ b/resources/icons/printers/PrusaResearch_SL1.png
diff --git a/resources/profiles/PrusaResearch.idx b/resources/profiles/PrusaResearch.idx
index 63a81db49..e440b35df 100644
--- a/resources/profiles/PrusaResearch.idx
+++ b/resources/profiles/PrusaResearch.idx
@@ -1,3 +1,5 @@
+min_slic3r_version = 1.42.0-alpha
+0.4.0-alpha2 First SLA profiles
 min_slic3r_version = 1.41.0-alpha
 0.2.2 Edited MMU2 Single mode purge line
 0.2.1 Added PET and BVOH settings for MMU2
diff --git a/resources/profiles/PrusaResearch.ini b/resources/profiles/PrusaResearch.ini
index 3b44a4bc7..d5425dc12 100644
--- a/resources/profiles/PrusaResearch.ini
+++ b/resources/profiles/PrusaResearch.ini
@@ -5,7 +5,7 @@
 name = Prusa Research
 # Configuration version of this file. Config file will only be installed, if the config_version differs.
 # This means, the server may force the Slic3r configuration to be downgraded.
-config_version = 0.2.2
+config_version = 0.4.0-alpha2
 # Where to get the updates from?
 config_update_url = https://raw.githubusercontent.com/prusa3d/Slic3r-settings/master/live/PrusaResearch/
 
@@ -35,6 +35,14 @@ variants = 0.4
 name = Original Prusa i3 MK2/S MMU 1.0
 variants = 0.4; 0.6
 
+[printer_model:MK2.5MMU2]
+name = Original Prusa i3 MK2.5 MMU 2.0
+variants = 0.4
+
+[printer_model:SL1]
+name = Original Prusa SL1
+variants = default; dummy
+
 # All presets starting with asterisk, for example *common*, are intermediate and they will
 # not make it into the user interface.
 
@@ -181,7 +189,6 @@ support_material_interface_spacing = 0.1
 support_material_synchronize_layers = 1
 support_material_threshold = 80
 support_material_with_sheath = 1
-wipe_tower = 1
 
 # XXXXXXXXXXXXXXXXXXXX
 # XXX--- 0.05mm ---XXX
@@ -329,7 +336,7 @@ top_solid_layers = 7
 [print:0.15mm 100mms Linear Advance]
 inherits = *0.15mm*
 bridge_flow_ratio = 0.95
-compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2.*/ and nozzle_diameter[0]==0.4
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2[^\.].*/ and nozzle_diameter[0]==0.4
 external_perimeter_speed = 50
 infill_speed = 100
 max_print_speed = 150
@@ -341,7 +348,7 @@ top_solid_infill_speed = 70
 
 [print:0.15mm OPTIMAL]
 inherits = *0.15mm*
-compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2.*/ and nozzle_diameter[0]==0.4
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2[^\.].*/ and nozzle_diameter[0]==0.4
 top_infill_extrusion_width = 0.45
 
 [print:0.15mm OPTIMAL 0.25 nozzle]
@@ -374,16 +381,33 @@ perimeter_speed = 45
 solid_infill_speed = 200
 top_solid_infill_speed = 50
 
+[print:0.15mm OPTIMAL MK3 SOLUBLE FULL]
+inherits = 0.15mm OPTIMAL MK3; *soluble_support*
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK3.*/ and nozzle_diameter[0]==0.4 and num_extruders>1
+notes = Set your solluble extruder in Multiple Extruders > Support material/raft/skirt extruder &  Support material/raft interface extruder
+support_material_extruder = 5
+support_material_interface_extruder = 5
+perimeter_speed = 40
+solid_infill_speed = 40
+top_infill_extrusion_width = 0.45
+top_solid_infill_speed = 30
+
+[print:0.15mm OPTIMAL MK3 SOLUBLE INTERFACE]
+inherits = 0.15mm OPTIMAL MK3 SOLUBLE FULL
+notes = Set your solluble extruder in Multiple Extruders >  Support material/raft interface extruder
+support_material_extruder = 0
+support_material_interface_layers = 3
+support_material_with_sheath = 0
+
 [print:0.15mm OPTIMAL SOLUBLE FULL]
 inherits = *0.15mm*; *soluble_support*
-compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2.*/ and nozzle_diameter[0]==0.4 and num_extruders>1
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2[^\.].*/ and nozzle_diameter[0]==0.4 and num_extruders>1
 external_perimeter_speed = 25
 notes = Set your solluble extruder in Multiple Extruders > Support material/raft/skirt extruder &  Support material/raft interface extruder
 perimeter_speed = 40
 solid_infill_speed = 40
 top_infill_extrusion_width = 0.45
 top_solid_infill_speed = 30
-wipe_tower = 1
 
 [print:0.15mm OPTIMAL SOLUBLE INTERFACE]
 inherits = 0.15mm OPTIMAL SOLUBLE FULL
@@ -404,6 +428,7 @@ max_print_speed = 200
 perimeter_speed = 45
 solid_infill_speed = 200
 top_solid_infill_speed = 50
+
 [print:*0.20mm*]
 inherits = *common*
 bottom_solid_layers = 4
@@ -436,7 +461,7 @@ top_solid_infill_speed = 50
 
 [print:0.20mm 100mms Linear Advance]
 inherits = *0.20mm*
-compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2.*/ and nozzle_diameter[0]==0.4
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2[^\.].*/ and nozzle_diameter[0]==0.4
 external_perimeter_speed = 50
 infill_speed = 100
 max_print_speed = 150
@@ -458,9 +483,27 @@ perimeter_speed = 45
 solid_infill_speed = 200
 top_solid_infill_speed = 50
 
+[print:0.20mm FAST MK3 SOLUBLE FULL]
+inherits = 0.20mm FAST MK3; *soluble_support*
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK3.*/ and nozzle_diameter[0]==0.4 and num_extruders>1
+notes = Set your solluble extruder in Multiple Extruders > Support material/raft/skirt extruder &  Support material/raft interface extruder
+support_material_extruder = 5
+support_material_interface_extruder = 5
+perimeter_speed = 40
+solid_infill_speed = 40
+top_infill_extrusion_width = 0.45
+top_solid_infill_speed = 30
+
+[print:0.20mm FAST MK3 SOLUBLE INTERFACE]
+inherits = 0.20mm FAST MK3 SOLUBLE FULL
+notes = Set your solluble extruder in Multiple Extruders >  Support material/raft interface extruder
+support_material_extruder = 0
+support_material_interface_layers = 3
+support_material_with_sheath = 0
+
 [print:0.20mm NORMAL]
 inherits = *0.20mm*
-compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2.*/ and nozzle_diameter[0]==0.4
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2[^\.].*/ and nozzle_diameter[0]==0.4
 
 [print:0.20mm NORMAL 0.6 nozzle]
 inherits = *0.20mm*; *0.6nozzle*
@@ -468,7 +511,7 @@ compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and
 
 [print:0.20mm NORMAL SOLUBLE FULL]
 inherits = *0.20mm*; *soluble_support*
-compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2.*/ and nozzle_diameter[0]==0.4 and num_extruders>1
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2[^\.].*/ and nozzle_diameter[0]==0.4 and num_extruders>1
 external_perimeter_speed = 30
 notes = Set your solluble extruder in Multiple Extruders > Support material/raft/skirt extruder &  Support material/raft interface extruder
 perimeter_speed = 40
@@ -519,7 +562,7 @@ top_solid_layers = 4
 [print:0.35mm FAST]
 inherits = *0.35mm*
 bridge_flow_ratio = 0.95
-compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2.*/ and nozzle_diameter[0]==0.4
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2[^\.].*/ and nozzle_diameter[0]==0.4
 first_layer_extrusion_width = 0.42
 perimeter_extrusion_width = 0.43
 solid_infill_extrusion_width = 0.7
@@ -547,6 +590,53 @@ support_material_interface_layers = 2
 support_material_with_sheath = 0
 support_material_xy_spacing = 150%
 
+# XXXXXXXXXXXXXXXXXXXXXX
+# XXX----- MK2.5 ----XXX
+# XXXXXXXXXXXXXXXXXXXXXX
+
+[print:0.15mm 100mms Linear Advance MK2.5]
+inherits = 0.15mm 100mms Linear Advance
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2.5.*/ and nozzle_diameter[0]==0.4
+single_extruder_multi_material_priming = 0
+
+[print:0.15mm OPTIMAL MK2.5]
+inherits = 0.15mm OPTIMAL
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2.5.*/ and nozzle_diameter[0]==0.4
+single_extruder_multi_material_priming = 0
+
+[print:0.15mm OPTIMAL SOLUBLE FULL MK2.5]
+inherits = 0.15mm OPTIMAL SOLUBLE FULL
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2.5.*/ and nozzle_diameter[0]==0.4 and num_extruders>1
+
+[print:0.15mm OPTIMAL SOLUBLE INTERFACE MK2.5]
+inherits = 0.15mm OPTIMAL SOLUBLE INTERFACE
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2.5.*/ and nozzle_diameter[0]==0.4 and num_extruders>1
+
+[print:0.20mm 100mms Linear Advance MK2.5]
+inherits = 0.20mm 100mms Linear Advance
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2.5.*/ and nozzle_diameter[0]==0.4
+single_extruder_multi_material_priming = 0
+
+[print:0.20mm NORMAL MK2.5]
+inherits = 0.20mm NORMAL
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2.5.*/ and nozzle_diameter[0]==0.4
+single_extruder_multi_material_priming = 0
+
+[print:0.20mm NORMAL SOLUBLE FULL MK2.5]
+inherits = 0.20mm NORMAL SOLUBLE FULL
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2.5.*/ and nozzle_diameter[0]==0.4 and num_extruders>1
+single_extruder_multi_material_priming = 0
+
+[print:0.20mm NORMAL SOLUBLE INTERFACE MK2.5]
+inherits = 0.20mm NORMAL SOLUBLE INTERFACE
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2.5.*/ and nozzle_diameter[0]==0.4 and num_extruders>1
+single_extruder_multi_material_priming = 0
+
+[print:0.35mm FAST MK2.5]
+inherits = 0.35mm FAST
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK2.5.*/ and nozzle_diameter[0]==0.4
+single_extruder_multi_material_priming = 0
+
 # XXXXXXxxXXXXXXXXXXXXXX
 # XXX--- filament ---XXX
 # XXXXXXXXxxXXXXXXXXXXXX
@@ -555,7 +645,7 @@ support_material_xy_spacing = 150%
 cooling = 1
 compatible_printers = 
 # For now, all but selected filaments are disabled for the MMU 2.0
-compatible_printers_condition = ! (printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK3.*/ and single_extruder_multi_material)
+compatible_printers_condition = ! (printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK(2.5|3).*/ and single_extruder_multi_material)
 end_filament_gcode = "; Filament-specific end gcode"
 extrusion_multiplier = 1
 filament_loading_speed = 28
@@ -655,7 +745,7 @@ temperature = 240
 [filament:ColorFabb Brass Bronze]
 inherits = *PLA*
 # For now, all but selected filaments are disabled for the MMU 2.0
-compatible_printers_condition = nozzle_diameter[0]>0.35 and ! (printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK3.*/ and single_extruder_multi_material)
+compatible_printers_condition = nozzle_diameter[0]>0.35 and ! (printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK(2.5|3).*/ and single_extruder_multi_material)
 extrusion_multiplier = 1.2
 filament_cost = 80.65
 filament_density = 4
@@ -687,7 +777,7 @@ filament_density = 1.24
 [filament:ColorFabb Woodfil]
 inherits = *PLA*
 # For now, all but selected filaments are disabled for the MMU 2.0
-compatible_printers_condition = nozzle_diameter[0]>0.35 and ! (printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK3.*/ and single_extruder_multi_material)
+compatible_printers_condition = nozzle_diameter[0]>0.35 and ! (printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK(2.5|3).*/ and single_extruder_multi_material)
 extrusion_multiplier = 1.2
 filament_cost = 62.9
 filament_density = 1.15
@@ -789,7 +879,7 @@ temperature = 275
 [filament:Fillamentum Timberfil]
 inherits = *PLA*
 # For now, all but selected filaments are disabled for the MMU 2.0
-compatible_printers_condition = nozzle_diameter[0]>0.35 and ! (printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK3.*/ and single_extruder_multi_material)
+compatible_printers_condition = nozzle_diameter[0]>0.35 and ! (printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK(2.5|3).*/ and single_extruder_multi_material)
 extrusion_multiplier = 1.2
 filament_cost = 68
 filament_density = 1.15
@@ -851,7 +941,7 @@ filament_notes = "List of materials tested with standart ABS print settings for
 
 [filament:*ABS MMU2*]
 inherits = Prusa ABS
-compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK3.*/ and single_extruder_multi_material
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK(2.5|3).*/ and single_extruder_multi_material
 filament_cooling_final_speed = 50 
 filament_cooling_initial_speed = 10
 filament_cooling_moves = 5
@@ -889,7 +979,7 @@ filament_notes = "List of manufacturers tested with standart PET print settings
 
 [filament:*PET MMU2*]
 inherits = Prusa PET
-compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK3.*/ and single_extruder_multi_material
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK(2.5|3).*/ and single_extruder_multi_material
 temperature = 230
 first_layer_temperature = 230
 filament_cooling_final_speed = 1
@@ -915,9 +1005,16 @@ filament_cost = 25.4
 filament_density = 1.24
 filament_notes = "List of materials tested with standart PLA print settings for MK2:\n\nDas Filament\nEsun PLA\nEUMAKERS PLA\nFiberlogy HD-PLA\nFillamentum PLA\nFloreon3D\nHatchbox PLA\nPlasty Mladeč PLA\nPrimavalue PLA\nProto pasta Matte Fiber\nVerbatim PLA\nVerbatim BVOH"
 
+[filament:Prusament PLA]
+inherits = *PLA*
+temperature = 215
+filament_cost = 24.99
+filament_density = 1.24
+filament_notes = "Affordable filament for everyday printing in premium quality manufactured in-house by Josef Prusa"
+
 [filament:*PLA MMU2*]
 inherits = Prusa PLA
-compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK3.*/ and single_extruder_multi_material
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK(2.5|3).*/ and single_extruder_multi_material
 temperature = 205
 filament_cooling_final_speed = 1
 filament_cooling_initial_speed = 2
@@ -934,6 +1031,9 @@ inherits = *PLA MMU2*
 [filament:Prusa PLA MMU2]
 inherits = *PLA MMU2*
 
+[filament:Prusament PLA MMU2]
+inherits = *PLA MMU2*
+
 [filament:SemiFlex or Flexfill 98A]
 inherits = *FLEX*
 filament_cost = 82
@@ -998,7 +1098,7 @@ temperature = 210
 
 [filament:Verbatim BVOH MMU2]
 inherits = Verbatim BVOH
-compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK3.*/ and single_extruder_multi_material
+compatible_printers_condition = printer_notes=~/.*PRINTER_VENDOR_PRUSA3D.*/ and printer_notes=~/.*PRINTER_MODEL_MK(2.5|3).*/ and single_extruder_multi_material
 temperature = 195
 filament_notes = BVOH
 fan_always_on = 1
@@ -1037,7 +1137,22 @@ min_fan_speed = 100
 start_filament_gcode = "M900 K{if printer_notes=~/.*PRINTER_HAS_BOWDEN.*/}200{else}10{endif}; Filament gcode"
 temperature = 220
 
+[sla_material:*common*]
+layer_height = 0.05
+initial_layer_height = 0.3
+exposure_time = 10
+initial_exposure_time = 15
+material_correction_printing = 1, 1, 1
+material_correction_curing = 1, 1, 1
+
+[sla_material:Material 1]
+inherits = *common*
+
+[sla_material:Material 2]
+inherits = *common*
+
 [printer:*common*]
+printer_technology = FFF
 bed_shape = 0x0,250x0,250x210,0x210
 before_layer_gcode = ;BEFORE_LAYER_CHANGE\nG92 E0.0\n;[layer_z]\n\n
 between_objects_gcode = 
@@ -1098,7 +1213,7 @@ z_offset = 0
 printer_model = MK2S
 printer_variant = 0.4
 default_print_profile = 0.15mm OPTIMAL
-default_filament_profile = Prusa PLA
+default_filament_profile = Prusament PLA
 
 [printer:*multimaterial*]
 inherits = *common*
@@ -1193,19 +1308,83 @@ default_print_profile = 0.20mm NORMAL 0.6 nozzle
 inherits = Original Prusa i3 MK2
 printer_model = MK2.5
 remaining_times = 1
-start_gcode = M115 U3.3.1 ; tell printer latest fw version\nM83  ; extruder relative mode\nM104 S[first_layer_temperature] ; set extruder temp\nM140 S[first_layer_bed_temperature] ; set bed temp\nM190 S[first_layer_bed_temperature] ; wait for bed temp\nM109 S[first_layer_temperature] ; wait for extruder temp\nG28 W ; home all without mesh bed level\nG80 ; mesh bed leveling\nG1 Y-3.0 F1000.0 ; go outside print area\nG92 E0.0\nG1 X60.0 E9.0  F1000.0 ; intro line\nG1 X100.0 E12.5  F1000.0 ; intro line\nG92 E0.0
+start_gcode = M115 U3.4.1 ; tell printer latest fw version\nM83  ; extruder relative mode\nM104 S[first_layer_temperature] ; set extruder temp\nM140 S[first_layer_bed_temperature] ; set bed temp\nM190 S[first_layer_bed_temperature] ; wait for bed temp\nM109 S[first_layer_temperature] ; wait for extruder temp\nG28 W ; home all without mesh bed level\nG80 ; mesh bed leveling\nG1 Y-3.0 F1000.0 ; go outside print area\nG92 E0.0\nG1 X60.0 E9.0  F1000.0 ; intro line\nG1 X100.0 E12.5  F1000.0 ; intro line\nG92 E0.0
+
+[printer:Original Prusa i3 MK2.5 MMU2 Single]
+inherits = Original Prusa i3 MK2.5; *mm2*
+printer_model = MK2.5MMU2
+single_extruder_multi_material = 0
+max_print_height = 200
+remaining_times = 1
+silent_mode = 0
+retract_lift_below = 199
+machine_max_acceleration_e = 10000
+machine_max_acceleration_extruding = 2000
+machine_max_acceleration_retracting = 1500
+machine_max_acceleration_x = 9000
+machine_max_acceleration_y = 9000
+machine_max_acceleration_z = 500
+machine_max_feedrate_e = 120
+machine_max_feedrate_x = 500
+machine_max_feedrate_y = 500
+machine_max_feedrate_z = 12
+machine_max_jerk_e = 2.5
+machine_max_jerk_x = 10
+machine_max_jerk_y = 10
+machine_max_jerk_z = 0.2
+machine_min_extruding_rate = 0
+machine_min_travel_rate = 0
+default_print_profile = 0.15mm OPTIMAL MK2.5
+default_filament_profile = Prusament PLA
+printer_notes = Don't remove the following keywords! These keywords are used in the "compatible printer" condition of the print and filament profiles to link the particular print and filament profiles to this printer profile.\nPRINTER_VENDOR_PRUSA3D\nPRINTER_MODEL_MK2.5\n
+start_gcode = M107\nM115 U3.4.2 ; tell printer latest fw version\nM83  ; extruder relative mode\nM104 S[first_layer_temperature] ; set extruder temp\nM140 S[first_layer_bed_temperature] ; set bed temp\nM190 S[first_layer_bed_temperature] ; wait for bed temp\nM109 S[first_layer_temperature] ; wait for extruder temp\nG28 W ; home all without mesh bed level\nG80 ; mesh bed leveling\n\nG21 ; set units to millimeters\n\n;go outside print area\nG1 Y-3.0 F1000.0\nG1 Z0.4 F1000.0\n; select extruder\nT?\n; purge line\nG1 X55.0 E8.0 F2000.0\nG1 Z0.3 F1000.0\nG92 E0.0\nG1 X240.0 E25.0  F2200.0\nG1 Y-2.0 F1000.0\nG1 X55.0 E25 F1400.0\nG1 Z0.20 F1000.0\nG1 X5.0 E4.0 F1000.0\n\nM221 S{if layer_height<0.075}100{else}95{endif}\nG90 ; use absolute coordinates\nM83 ; use relative distances for extrusion\nG92 E0.0\n
+end_gcode = G1 X0 Y210 F7200\nG1 E2 F5000\nG1 E2 F5500\nG1 E2 F6000\nG1 E-15.0000 F5800\nG1 E-20.0000 F5500\nG1 E10.0000 F3000\nG1 E-10.0000 F3100\nG1 E10.0000 F3150\nG1 E-10.0000 F3250\nG1 E10.0000 F3300\n\nM702 C\n\nG4 ; wait\nM104 S0 ; turn off temperature\nM140 S0 ; turn off heatbed\nM107 ; turn off fan\nG1 X0 Y200; home X axis\nM84 ; disable motors
+
+[printer:Original Prusa i3 MK2.5 MMU2]
+inherits = Original Prusa i3 MK2.5; *mm2*
+printer_model = MK2.5MMU2
+max_print_height = 200
+remaining_times = 1
+silent_mode = 0
+retract_lift_below = 199
+machine_max_acceleration_e = 10000
+machine_max_acceleration_extruding = 2000
+machine_max_acceleration_retracting = 1500
+machine_max_acceleration_x = 9000
+machine_max_acceleration_y = 9000
+machine_max_acceleration_z = 500
+machine_max_feedrate_e = 120
+machine_max_feedrate_x = 500
+machine_max_feedrate_y = 500
+machine_max_feedrate_z = 12
+machine_max_jerk_e = 2.5
+machine_max_jerk_x = 10
+machine_max_jerk_y = 10
+machine_max_jerk_z = 0.2
+machine_min_extruding_rate = 0
+machine_min_travel_rate = 0
+default_print_profile = 0.15mm OPTIMAL MK2.5
+printer_notes = Don't remove the following keywords! These keywords are used in the "compatible printer" condition of the print and filament profiles to link the particular print and filament profiles to this printer profile.\nPRINTER_VENDOR_PRUSA3D\nPRINTER_MODEL_MK2.5\n
+single_extruder_multi_material = 1
+# The 5x nozzle diameter defines the number of extruders. Other extruder parameters
+# (for example the retract values) are duplicaed from the first value, so they do not need 
+# to be defined explicitely.
+nozzle_diameter = 0.4,0.4,0.4,0.4,0.4
+extruder_colour = #FF8000;#0080FF;#00FFFF;#FF4F4F;#9FFF9F
+start_gcode = M107\nM115 U3.4.2 ; tell printer latest fw version\nM83  ; extruder relative mode\nM104 S[first_layer_temperature] ; set extruder temp\nM140 S[first_layer_bed_temperature] ; set bed temp\nM190 S[first_layer_bed_temperature] ; wait for bed temp\nM109 S[first_layer_temperature] ; wait for extruder temp\nG28 W ; home all without mesh bed level\nG80 ; mesh bed leveling\nG21 ; set units to millimeters\n\n; Send the filament type to the MMU2.0 unit.\n; E stands for extruder number, F stands for filament type (0: default; 1:flex; 2: PVA)\nM403 E0 F{"" + ((filament_type[0]=="FLEX") ? 1 : ((filament_type[0]=="PVA") ? 2 : 0))}\nM403 E1 F{"" + ((filament_type[1]=="FLEX") ? 1 : ((filament_type[1]=="PVA") ? 2 : 0))}\nM403 E2 F{"" + ((filament_type[2]=="FLEX") ? 1 : ((filament_type[2]=="PVA") ? 2 : 0))}\nM403 E3 F{"" + ((filament_type[3]=="FLEX") ? 1 : ((filament_type[3]=="PVA") ? 2 : 0))}\nM403 E4 F{"" + ((filament_type[4]=="FLEX") ? 1 : ((filament_type[4]=="PVA") ? 2 : 0))}\n\n{if not has_single_extruder_multi_material_priming}\n;go outside print area\nG1 Y-3.0 F1000.0\nG1 Z0.4 F1000.0\n; select extruder\nT[initial_tool]\n; initial load\nG1 X55.0 E32.0 F1073.0\nG1 X5.0 E32.0 F1800.0\nG1 X55.0 E8.0 F2000.0\nG1 Z0.3 F1000.0\nG92 E0.0\nG1 X240.0 E25.0  F2200.0\nG1 Y-2.0 F1000.0\nG1 X55.0 E25 F1400.0\nG1 Z0.20 F1000.0\nG1 X5.0 E4.0 F1000.0\nG92 E0.0\n{endif}\n\nM221 S{if layer_height<0.075}100{else}95{endif}\nG90 ; use absolute coordinates\nM83 ; use relative distances for extrusion\nG92 E0.0\n
+end_gcode = {if has_wipe_tower}\nG1 E-15.0000 F3000\n{else}\nG1 X0 Y210 F7200\nG1 E2 F5000\nG1 E2 F5500\nG1 E2 F6000\nG1 E-15.0000 F5800\nG1 E-20.0000 F5500\nG1 E10.0000 F3000\nG1 E-10.0000 F3100\nG1 E10.0000 F3150\nG1 E-10.0000 F3250\nG1 E10.0000 F3300\n{endif}\n\n; Unload filament\nM702 C\n\nG4 ; wait\nM104 S0 ; turn off temperature\nM140 S0 ; turn off heatbed\nM107 ; turn off fan\n; Lift print head a bit\n{if layer_z < max_print_height}G1 Z{z_offset+min(layer_z+30, max_print_height)}{endif} ; Move print head up\nG1 X0 Y200; home X axis\nM84 ; disable motors\n
 
 [printer:Original Prusa i3 MK2.5 0.25 nozzle]
 inherits = Original Prusa i3 MK2 0.25 nozzle
 printer_model = MK2.5
 remaining_times = 1
-start_gcode = M115 U3.3.1 ; tell printer latest fw version\nM83  ; extruder relative mode\nM104 S[first_layer_temperature] ; set extruder temp\nM140 S[first_layer_bed_temperature] ; set bed temp\nM190 S[first_layer_bed_temperature] ; wait for bed temp\nM109 S[first_layer_temperature] ; wait for extruder temp\nG28 W ; home all without mesh bed level\nG80 ; mesh bed leveling\nG1 Y-3.0 F1000.0 ; go outside print area\nG92 E0.0\nG1 X60.0 E9.0  F1000.0 ; intro line\nG1 X100.0 E12.5  F1000.0 ; intro line\nG92 E0.0
+start_gcode = M115 U3.4.1 ; tell printer latest fw version\nM83  ; extruder relative mode\nM104 S[first_layer_temperature] ; set extruder temp\nM140 S[first_layer_bed_temperature] ; set bed temp\nM190 S[first_layer_bed_temperature] ; wait for bed temp\nM109 S[first_layer_temperature] ; wait for extruder temp\nG28 W ; home all without mesh bed level\nG80 ; mesh bed leveling\nG1 Y-3.0 F1000.0 ; go outside print area\nG92 E0.0\nG1 X60.0 E9.0  F1000.0 ; intro line\nG1 X100.0 E12.5  F1000.0 ; intro line\nG92 E0.0
 
 [printer:Original Prusa i3 MK2.5 0.6 nozzle]
 inherits = Original Prusa i3 MK2 0.6 nozzle
 printer_model = MK2.5
 remaining_times = 1
-start_gcode = M115 U3.3.1 ; tell printer latest fw version\nM83  ; extruder relative mode\nM104 S[first_layer_temperature] ; set extruder temp\nM140 S[first_layer_bed_temperature] ; set bed temp\nM190 S[first_layer_bed_temperature] ; wait for bed temp\nM109 S[first_layer_temperature] ; wait for extruder temp\nG28 W ; home all without mesh bed level\nG80 ; mesh bed leveling\nG1 Y-3.0 F1000.0 ; go outside print area\nG92 E0.0\nG1 X60.0 E9.0  F1000.0 ; intro line\nG1 X100.0 E12.5  F1000.0 ; intro line\nG92 E0.0
+start_gcode = M115 U3.4.1 ; tell printer latest fw version\nM83  ; extruder relative mode\nM104 S[first_layer_temperature] ; set extruder temp\nM140 S[first_layer_bed_temperature] ; set bed temp\nM190 S[first_layer_bed_temperature] ; wait for bed temp\nM109 S[first_layer_temperature] ; wait for extruder temp\nG28 W ; home all without mesh bed level\nG80 ; mesh bed leveling\nG1 Y-3.0 F1000.0 ; go outside print area\nG92 E0.0\nG1 X60.0 E9.0  F1000.0 ; intro line\nG1 X100.0 E12.5  F1000.0 ; intro line\nG92 E0.0
 
 # XXXXXXXXXXXXXXXXX
 # XXX--- MK3 ---XXX
@@ -1221,8 +1400,8 @@ machine_max_acceleration_x = 1000,960
 machine_max_acceleration_y = 1000,960
 machine_max_acceleration_z = 1000,1000
 machine_max_feedrate_e = 120,120
-machine_max_feedrate_x = 200,172
-machine_max_feedrate_y = 200,172
+machine_max_feedrate_x = 200,100
+machine_max_feedrate_y = 200,100
 machine_max_feedrate_z = 12,12
 machine_max_jerk_e = 1.5,1.5
 machine_max_jerk_x = 8,8
@@ -1235,7 +1414,7 @@ remaining_times = 1
 printer_notes = Don't remove the following keywords! These keywords are used in the "compatible printer" condition of the print and filament profiles to link the particular print and filament profiles to this printer profile.\nPRINTER_VENDOR_PRUSA3D\nPRINTER_MODEL_MK3\n
 retract_lift_below = 209
 max_print_height = 210
-start_gcode = M115 U3.3.1 ; tell printer latest fw version\nM83  ; extruder relative mode\nM104 S[first_layer_temperature] ; set extruder temp\nM140 S[first_layer_bed_temperature] ; set bed temp\nM190 S[first_layer_bed_temperature] ; wait for bed temp\nM109 S[first_layer_temperature] ; wait for extruder temp\nG28 W ; home all without mesh bed level\nG80 ; mesh bed leveling\nG1 Y-3.0 F1000.0 ; go outside print area\nG92 E0.0\nG1 X60.0 E9.0  F1000.0 ; intro line\nG1 X100.0 E12.5  F1000.0 ; intro line\nG92 E0.0\nM221 S{if layer_height==0.05}100{else}95{endif}
+start_gcode = M115 U3.4.1 ; tell printer latest fw version\nM83  ; extruder relative mode\nM104 S[first_layer_temperature] ; set extruder temp\nM140 S[first_layer_bed_temperature] ; set bed temp\nM190 S[first_layer_bed_temperature] ; wait for bed temp\nM109 S[first_layer_temperature] ; wait for extruder temp\nG28 W ; home all without mesh bed level\nG80 ; mesh bed leveling\nG1 Y-3.0 F1000.0 ; go outside print area\nG92 E0.0\nG1 X60.0 E9.0  F1000.0 ; intro line\nG1 X100.0 E12.5  F1000.0 ; intro line\nG92 E0.0\nM221 S{if layer_height==0.05}100{else}95{endif}
 printer_model = MK3
 default_print_profile = 0.15mm OPTIMAL MK3
 
@@ -1265,11 +1444,12 @@ retract_length_toolchange = 3
 extra_loading_move = -13
 printer_model = MK3MMU2
 default_print_profile = 0.15mm OPTIMAL MK3
-default_filament_profile = Prusa PLA MMU2
+default_filament_profile = Prusament PLA MMU2
 
 [printer:Original Prusa i3 MK3 MMU2 Single]
 inherits = *mm2*
-start_gcode = M107\nM115 U3.4.0-RC2 ; tell printer latest fw version\nM83  ; extruder relative mode\nM104 S[first_layer_temperature] ; set extruder temp\nM140 S[first_layer_bed_temperature] ; set bed temp\nM190 S[first_layer_bed_temperature] ; wait for bed temp\nM109 S[first_layer_temperature] ; wait for extruder temp\nG28 W ; home all without mesh bed level\nG80 ; mesh bed leveling\n\nG21 ; set units to millimeters\n\n;go outside print area\nG1 Y-3.0 F1000.0\nG1 Z0.4 F1000.0\n; select extruder\nT?\n; purge line\nG1 X55.0 E8.0 F2000.0\nG1 Z0.3 F1000.0\nG92 E0.0\nG1 X240.0 E25.0  F2200.0\nG1 Y-2.0 F1000.0\nG1 X55.0 E25 F1400.0\nG1 Z0.20 F1000.0\nG1 X5.0 E4.0 F1000.0\n\nM221 S{if layer_height<0.075}100{else}95{endif}\nG90 ; use absolute coordinates\nM83 ; use relative distances for extrusion\nG92 E0.0\n
+single_extruder_multi_material = 0
+start_gcode = M107\nM115 U3.4.1 ; tell printer latest fw version\nM83  ; extruder relative mode\nM104 S[first_layer_temperature] ; set extruder temp\nM140 S[first_layer_bed_temperature] ; set bed temp\nM190 S[first_layer_bed_temperature] ; wait for bed temp\nM109 S[first_layer_temperature] ; wait for extruder temp\nG28 W ; home all without mesh bed level\nG80 ; mesh bed leveling\n\nG21 ; set units to millimeters\n\n;go outside print area\nG1 Y-3.0 F1000.0\nG1 Z0.4 F1000.0\n; select extruder\nT?\n; purge line\nG1 X55.0 E8.0 F2000.0\nG1 Z0.3 F1000.0\nG92 E0.0\nG1 X240.0 E25.0  F2200.0\nG1 Y-2.0 F1000.0\nG1 X55.0 E25 F1400.0\nG1 Z0.20 F1000.0\nG1 X5.0 E4.0 F1000.0\n\nM221 S{if layer_height<0.075}100{else}95{endif}\nG90 ; use absolute coordinates\nM83 ; use relative distances for extrusion\nG92 E0.0\n
 end_gcode = G1 X0 Y210 F7200\nG1 E2 F5000\nG1 E2 F5500\nG1 E2 F6000\nG1 E-15.0000 F5800\nG1 E-20.0000 F5500\nG1 E10.0000 F3000\nG1 E-10.0000 F3100\nG1 E10.0000 F3150\nG1 E-10.0000 F3250\nG1 E10.0000 F3300\n\nM702 C\n\nG4 ; wait\nM104 S0 ; turn off temperature\nM140 S0 ; turn off heatbed\nM107 ; turn off fan\nG1 X0 Y200; home X axis\nM84 ; disable motors
 
 [printer:Original Prusa i3 MK3 MMU2]
@@ -1280,9 +1460,27 @@ inherits = *mm2*
 machine_max_acceleration_e = 8000,8000
 nozzle_diameter = 0.4,0.4,0.4,0.4,0.4
 extruder_colour = #FF8000;#0080FF;#00FFFF;#FF4F4F;#9FFF9F
-start_gcode = M107\nM115 U3.4.0-RC2 ; tell printer latest fw version\nM83  ; extruder relative mode\nM104 S[first_layer_temperature] ; set extruder temp\nM140 S[first_layer_bed_temperature] ; set bed temp\nM190 S[first_layer_bed_temperature] ; wait for bed temp\nM109 S[first_layer_temperature] ; wait for extruder temp\nG28 W ; home all without mesh bed level\nG80 ; mesh bed leveling\nG21 ; set units to millimeters\n\n; Send the filament type to the MMU2.0 unit.\n; E stands for extruder number, F stands for filament type (0: default; 1:flex; 2: PVA)\nM403 E0 F{"" + ((filament_type[0]=="FLEX") ? 1 : ((filament_type[0]=="PVA") ? 2 : 0))}\nM403 E1 F{"" + ((filament_type[1]=="FLEX") ? 1 : ((filament_type[1]=="PVA") ? 2 : 0))}\nM403 E2 F{"" + ((filament_type[2]=="FLEX") ? 1 : ((filament_type[2]=="PVA") ? 2 : 0))}\nM403 E3 F{"" + ((filament_type[3]=="FLEX") ? 1 : ((filament_type[3]=="PVA") ? 2 : 0))}\nM403 E4 F{"" + ((filament_type[4]=="FLEX") ? 1 : ((filament_type[4]=="PVA") ? 2 : 0))}\n\n{if not has_single_extruder_multi_material_priming}\n;go outside print area\nG1 Y-3.0 F1000.0\nG1 Z0.4 F1000.0\n; select extruder\nT[initial_tool]\n; initial load\nG1 X55.0 E32.0 F1073.0\nG1 X5.0 E32.0 F1800.0\nG1 X55.0 E8.0 F2000.0\nG1 Z0.3 F1000.0\nG92 E0.0\nG1 X240.0 E25.0  F2200.0\nG1 Y-2.0 F1000.0\nG1 X55.0 E25 F1400.0\nG1 Z0.20 F1000.0\nG1 X5.0 E4.0 F1000.0\nG92 E0.0\n{endif}\n\nM221 S{if layer_height<0.075}100{else}95{endif}\nG90 ; use absolute coordinates\nM83 ; use relative distances for extrusion\nG92 E0.0\n
+start_gcode = M107\nM115 U3.4.1 ; tell printer latest fw version\nM83  ; extruder relative mode\nM104 S[first_layer_temperature] ; set extruder temp\nM140 S[first_layer_bed_temperature] ; set bed temp\nM190 S[first_layer_bed_temperature] ; wait for bed temp\nM109 S[first_layer_temperature] ; wait for extruder temp\nG28 W ; home all without mesh bed level\nG80 ; mesh bed leveling\nG21 ; set units to millimeters\n\n; Send the filament type to the MMU2.0 unit.\n; E stands for extruder number, F stands for filament type (0: default; 1:flex; 2: PVA)\nM403 E0 F{"" + ((filament_type[0]=="FLEX") ? 1 : ((filament_type[0]=="PVA") ? 2 : 0))}\nM403 E1 F{"" + ((filament_type[1]=="FLEX") ? 1 : ((filament_type[1]=="PVA") ? 2 : 0))}\nM403 E2 F{"" + ((filament_type[2]=="FLEX") ? 1 : ((filament_type[2]=="PVA") ? 2 : 0))}\nM403 E3 F{"" + ((filament_type[3]=="FLEX") ? 1 : ((filament_type[3]=="PVA") ? 2 : 0))}\nM403 E4 F{"" + ((filament_type[4]=="FLEX") ? 1 : ((filament_type[4]=="PVA") ? 2 : 0))}\n\n{if not has_single_extruder_multi_material_priming}\n;go outside print area\nG1 Y-3.0 F1000.0\nG1 Z0.4 F1000.0\n; select extruder\nT[initial_tool]\n; initial load\nG1 X55.0 E32.0 F1073.0\nG1 X5.0 E32.0 F1800.0\nG1 X55.0 E8.0 F2000.0\nG1 Z0.3 F1000.0\nG92 E0.0\nG1 X240.0 E25.0  F2200.0\nG1 Y-2.0 F1000.0\nG1 X55.0 E25 F1400.0\nG1 Z0.20 F1000.0\nG1 X5.0 E4.0 F1000.0\nG92 E0.0\n{endif}\n\nM221 S{if layer_height<0.075}100{else}95{endif}\nG90 ; use absolute coordinates\nM83 ; use relative distances for extrusion\nG92 E0.0\n
 end_gcode = {if has_wipe_tower}\nG1 E-15.0000 F3000\n{else}\nG1 X0 Y210 F7200\nG1 E2 F5000\nG1 E2 F5500\nG1 E2 F6000\nG1 E-15.0000 F5800\nG1 E-20.0000 F5500\nG1 E10.0000 F3000\nG1 E-10.0000 F3100\nG1 E10.0000 F3150\nG1 E-10.0000 F3250\nG1 E10.0000 F3300\n{endif}\n\n; Unload filament\nM702 C\n\nG4 ; wait\nM104 S0 ; turn off temperature\nM140 S0 ; turn off heatbed\nM107 ; turn off fan\n; Lift print head a bit\n{if layer_z < max_print_height}G1 Z{z_offset+min(layer_z+30, max_print_height)}{endif} ; Move print head up\nG1 X0 Y200; home X axis\nM84 ; disable motors\n
 
+[printer:Original Prusa SL1]
+printer_technology = SLA
+printer_model = SL1
+printer_variant = default
+default_sla_material_profile = Material 1
+bed_shape = 0x0,150x0,150x100,0x100
+max_print_height = 100
+display_width = 150
+display_height = 100
+display_pixels_x = 2000
+display_pixels_y = 1000
+printer_correction = 1,1,1
+
+[printer:Original Prusa SL1 dummy]
+inherits = Original Prusa SL1
+printer_variant = dummy
+default_sla_material_profile = Material 2
+
 # The obsolete presets will be removed when upgrading from the legacy configuration structure (up to Slic3r 1.39.2) to 1.40.0 and newer.
 [obsolete_presets]
 print="0.05mm DETAIL 0.25 nozzle";"0.05mm DETAIL MK3";"0.05mm DETAIL";"0.20mm NORMAL MK3";"0.35mm FAST MK3";"print:0.15mm OPTIMAL MK3 MMU2";"print:0.20mm FAST MK3 MMU2"
diff --git a/slic3r.sublime-project b/slic3r.sublime-project
index 3f2fc36dc..785dddba4 100644
--- a/slic3r.sublime-project
+++ b/slic3r.sublime-project
@@ -76,7 +76,7 @@
 		{
 			"path": ".",
 //	        "folder_exclude_patterns": [".svn", "._d", ".metadata", ".settings"],
-	        "file_exclude_patterns": ["XS.c"]
+	        "file_exclude_patterns": ["XS.c", "*.pch", "*.ilk", "*.js" ]
 		}
 	],
 
diff --git a/src/libslic3r/Config.hpp b/src/libslic3r/Config.hpp
index 4deafbdaf..fb42a85ae 100644
--- a/src/libslic3r/Config.hpp
+++ b/src/libslic3r/Config.hpp
@@ -1276,8 +1276,11 @@ public:
     void                read_cli(const std::vector<std::string> &tokens, t_config_option_keys* extra);
     bool                read_cli(int argc, char** argv, t_config_option_keys* extra);
 
-private:
     typedef std::map<t_config_option_key,ConfigOption*> t_options_map;
+    t_options_map::const_iterator cbegin() const { return options.cbegin(); }
+    t_options_map::const_iterator cend()   const { return options.cend(); }
+
+private:
     t_options_map options;
 };
 
diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index c4d0c1bd9..52bdf1d1b 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -1652,8 +1652,8 @@ void GCode::append_full_config(const Print& print, std::string& str)
     }
     const DynamicConfig &full_config = print.placeholder_parser().config();
 	for (const char *key : {
-		"print_settings_id", "filament_settings_id", "printer_settings_id",
-		"printer_model", "printer_variant", "default_print_profile", "default_filament_profile",
+		"print_settings_id", "filament_settings_id", "sla_material_settings_id", "printer_settings_id",
+		"printer_model", "printer_variant", "default_print_profile", "default_filament_profile", "default_sla_material_profile",
 		"compatible_printers_condition_cummulative", "inherits_cummulative" }) {
 		const ConfigOption *opt = full_config.option(key);
 		if (opt != nullptr)
diff --git a/src/libslic3r/Print.hpp b/src/libslic3r/Print.hpp
index 514cc0e0f..2d3343c63 100644
--- a/src/libslic3r/Print.hpp
+++ b/src/libslic3r/Print.hpp
@@ -495,7 +495,7 @@ public:
 	};
     CancelStatus        cancel_status() const { return m_cancel_status; }
     // Has the calculation been canceled?
-    bool                canceled() const { return m_cancel_status; }
+	bool                canceled() const { return m_cancel_status != NOT_CANCELED; }
     // Cancel the running computation. Stop execution of all the background threads.
 	void                cancel() { m_cancel_status = CANCELED_BY_USER; }
 	void                cancel_internal() { m_cancel_status = CANCELED_INTERNAL; }
diff --git a/src/slic3r/Config/Snapshot.cpp b/src/slic3r/Config/Snapshot.cpp
index 704fbcfa1..e92c829c0 100644
--- a/src/slic3r/Config/Snapshot.cpp
+++ b/src/slic3r/Config/Snapshot.cpp
@@ -406,7 +406,7 @@ const Snapshot&	SnapshotDB::take_snapshot(const AppConfig &app_config, Snapshot:
                 cfg.version.min_slic3r_version = it->min_slic3r_version;
                 cfg.version.max_slic3r_version = it->max_slic3r_version;
             }
-        } catch (const std::runtime_error &err) {
+        } catch (const std::runtime_error & /* err */) {
         }
         snapshot.vendor_configs.emplace_back(std::move(cfg));
     }
@@ -521,7 +521,7 @@ SnapshotDB& SnapshotDB::singleton()
 			// Update the min / max slic3r versions compatible with the configurations stored inside the snapshots
 			// based on the min / max slic3r versions defined by the vendor specific config indices.
 			instance.update_slic3r_versions(index_db);
-		} catch (std::exception &ex) {
+		} catch (std::exception & /* ex */) {
 		}
 	}
 	return instance;
diff --git a/src/slic3r/GUI/BackgroundSlicingProcess.cpp b/src/slic3r/GUI/BackgroundSlicingProcess.cpp
index ce65acd5f..f2b07c51e 100644
--- a/src/slic3r/GUI/BackgroundSlicingProcess.cpp
+++ b/src/slic3r/GUI/BackgroundSlicingProcess.cpp
@@ -74,7 +74,7 @@ void BackgroundSlicingProcess::thread_proc()
 					this->set_step_done(bspsGCodeFinalize);
 			    }
 		    }
-		} catch (CanceledException &ex) {
+		} catch (CanceledException & /* ex */) {
 			// Canceled, this is all right.
 			assert(m_print->canceled());
 		} catch (std::exception &ex) {
diff --git a/src/slic3r/GUI/BedShapeDialog.cpp b/src/slic3r/GUI/BedShapeDialog.cpp
index 407da7ae3..656e0847f 100644
--- a/src/slic3r/GUI/BedShapeDialog.cpp
+++ b/src/slic3r/GUI/BedShapeDialog.cpp
@@ -234,13 +234,13 @@ void BedShapePanel::update_shape()
 		Vec2d rect_origin(Vec2d::Zero());
 		try{
 			rect_size = boost::any_cast<Vec2d>(m_optgroups[SHAPE_RECTANGULAR]->get_value("rect_size")); }
-		catch (const std::exception &e){
+		catch (const std::exception & /* e */){
 			return;
 		}
 		try{
 			rect_origin = boost::any_cast<Vec2d>(m_optgroups[SHAPE_RECTANGULAR]->get_value("rect_origin"));
 		}
-		catch (const std::exception &e){
+		catch (const std::exception & /* e */){
 			return;}
 		
 		auto x = rect_size(0);
@@ -269,7 +269,7 @@ void BedShapePanel::update_shape()
 		try{
 			diameter = boost::any_cast<double>(m_optgroups[SHAPE_CIRCULAR]->get_value("diameter"));
 		}
-		catch (const std::exception &e){
+		catch (const std::exception & /* e */){
 			return;
 		} 
  		if (diameter == 0.0) return ;
diff --git a/src/slic3r/GUI/ConfigWizard.hpp b/src/slic3r/GUI/ConfigWizard.hpp
index 73fce7cd2..6ac1bcbd8 100644
--- a/src/slic3r/GUI/ConfigWizard.hpp
+++ b/src/slic3r/GUI/ConfigWizard.hpp
@@ -39,7 +39,7 @@ private:
 	struct priv;
 	std::unique_ptr<priv> p;
 
-	friend class ConfigWizardPage;
+	friend struct ConfigWizardPage;
 };
 
 
diff --git a/src/slic3r/GUI/GUI.cpp b/src/slic3r/GUI/GUI.cpp
index 9e18cac02..1a21f8a9f 100644
--- a/src/slic3r/GUI/GUI.cpp
+++ b/src/slic3r/GUI/GUI.cpp
@@ -68,7 +68,7 @@ void enable_screensaver()
 bool debugged()
 {
     #ifdef _WIN32
-    return IsDebuggerPresent();
+    return IsDebuggerPresent() == TRUE;
 	#else
 	return false;
     #endif /* _WIN32 */
@@ -233,7 +233,7 @@ void change_opt_value(DynamicPrintConfig& config, const t_config_option_key& opt
 			break;
 		}
 	}
-	catch (const std::exception &e)
+	catch (const std::exception & /* e */)
 	{
 		int i = 0;//no reason, just experiment
 	}
diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index a40bf4438..ae39c125c 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -91,7 +91,7 @@ bool GUI_App::OnInit()
     load_language();
 
     // Suppress the '- default -' presets.
-    preset_bundle->set_default_suppressed(app_config->get("no_defaults").empty() ? false : true);
+    preset_bundle->set_default_suppressed(app_config->get("no_defaults") == "1");
     //     eval{ 
     preset_bundle->load_presets(*app_config);
     //     };
@@ -601,8 +601,9 @@ void GUI_App::add_config_menu(wxMenuBar *menu)
 bool GUI_App::check_unsaved_changes()
 {
     std::string dirty;
+    PrinterTechnology printer_technology = preset_bundle->printers.get_edited_preset().printer_technology();
     for (Tab *tab : tabs_list)
-        if (tab->current_preset_is_dirty())
+        if (tab->supports_printer_technology(printer_technology) && tab->current_preset_is_dirty())
             if (dirty.empty())
                 dirty = tab->name();
             else
@@ -636,9 +637,10 @@ void GUI_App::delete_tab_from_list(Tab* tab)
 // Update UI / Tabs to reflect changes in the currently loaded presets
 void GUI_App::load_current_presets()
 {
-    for (Tab *tab : tabs_list) {
-        tab->load_current_preset();
-    }
+    PrinterTechnology printer_technology = preset_bundle->printers.get_edited_preset().printer_technology();
+    for (Tab *tab : tabs_list)
+        if (tab->supports_printer_technology(printer_technology))
+            tab->load_current_preset();
 }
 
 Sidebar& GUI_App::sidebar()
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 59ebe10b2..29b2b8eec 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -418,7 +418,7 @@ struct Sidebar::priv
 
 void Sidebar::priv::show_preset_comboboxes()
 {
-    const bool showSLA = wxGetApp().preset_bundle->printers.get_selected_preset().printer_technology() == ptSLA;
+    const bool showSLA = wxGetApp().preset_bundle->printers.get_edited_preset().printer_technology() == ptSLA;
 
     wxWindowUpdateLocker noUpdates(wxGetApp().mainframe);
 
@@ -562,40 +562,49 @@ void Sidebar::remove_unused_filament_combos(const int current_extruder_count)
 
 void Sidebar::update_presets(Preset::Type preset_type)
 {
+	PresetBundle &preset_bundle = *wxGetApp().preset_bundle;
+
     switch (preset_type) {
     case Preset::TYPE_FILAMENT:
         if (p->combos_filament.size() == 1) {
             // Single filament printer, synchronize the filament presets.
-            const std::string &name = wxGetApp().preset_bundle->filaments.get_selected_preset().name;
-            wxGetApp().preset_bundle->set_filament_preset(0, name);
+			const std::string &name = preset_bundle.filaments.get_selected_preset().name;
+			preset_bundle.set_filament_preset(0, name);
         }
 
         for (size_t i = 0; i < p->combos_filament.size(); i++) {
-            wxGetApp().preset_bundle->update_platter_filament_ui(i, p->combos_filament[i]);
+			preset_bundle.update_platter_filament_ui(i, p->combos_filament[i]);
         }
 
         break;
 
     case Preset::TYPE_PRINT:
-        wxGetApp().preset_bundle->prints.update_platter_ui(p->combo_print);
+		preset_bundle.prints.update_platter_ui(p->combo_print);
         break;
 
     case Preset::TYPE_SLA_MATERIAL:
-        wxGetApp().preset_bundle->sla_materials.update_platter_ui(p->combo_sla_material);
+		preset_bundle.sla_materials.update_platter_ui(p->combo_sla_material);
         break;
 
-    case Preset::TYPE_PRINTER:
-        // Update the print choosers to only contain the compatible presets, update the dirty flags.
-        wxGetApp().preset_bundle->prints.update_platter_ui(p->combo_print);
-        // Update the printer choosers, update the dirty flags.
-        wxGetApp().preset_bundle->printers.update_platter_ui(p->combo_printer);
-        // Update the filament choosers to only contain the compatible presets, update the color preview,
-        // update the dirty flags.
-        for (size_t i = 0; i < p->combos_filament.size(); i++) {
-            wxGetApp().preset_bundle->update_platter_filament_ui(i, p->combos_filament[i]);
-        }
-        p->show_preset_comboboxes();
-        break;
+	case Preset::TYPE_PRINTER:
+	{
+		PrinterTechnology printer_technology = preset_bundle.printers.get_edited_preset().printer_technology();
+		// Update the print choosers to only contain the compatible presets, update the dirty flags.
+		if (printer_technology == ptFFF)
+			preset_bundle.prints.update_platter_ui(p->combo_print);
+		else
+			preset_bundle.sla_materials.update_platter_ui(p->combo_sla_material);
+		// Update the printer choosers, update the dirty flags.
+		preset_bundle.printers.update_platter_ui(p->combo_printer);
+		// Update the filament choosers to only contain the compatible presets, update the color preview,
+		// update the dirty flags.
+        if (printer_technology == ptFFF) {
+            for (size_t i = 0; i < p->combos_filament.size(); ++ i)
+                preset_bundle.update_platter_filament_ui(i, p->combos_filament[i]);
+		}
+		p->show_preset_comboboxes();
+		break;
+	}
 
     default: break;
     }
diff --git a/src/slic3r/GUI/Preset.cpp b/src/slic3r/GUI/Preset.cpp
index 07410e325..6aa255612 100644
--- a/src/slic3r/GUI/Preset.cpp
+++ b/src/slic3r/GUI/Preset.cpp
@@ -210,23 +210,20 @@ void Preset::normalize(DynamicPrintConfig &config)
     }
 }
 
-DynamicPrintConfig& Preset::load(const std::vector<std::string> &keys, const StaticPrintConfig &defaults)
+std::string Preset::remove_invalid_keys(DynamicPrintConfig &config, const DynamicPrintConfig &default_config)
 {
-    // Set the configuration from the defaults.
-    this->config.apply_only(defaults, keys.empty() ? defaults.keys() : keys);
-    if (! this->is_default) {
-        // Load the preset file, apply preset values on top of defaults.
-        try {
-            this->config.load_from_ini(this->file);
-            Preset::normalize(this->config);
-        } catch (const std::ifstream::failure &err) {
-            throw std::runtime_error(std::string("The selected preset cannot be loaded: ") + this->file + "\n\tReason: " + err.what());
-        } catch (const std::runtime_error &err) {
-            throw std::runtime_error(std::string("Failed loading the preset file: ") + this->file + "\n\tReason: " + err.what());
+    std::string incorrect_keys;
+    for (const std::string &key : config.keys())
+        if (! default_config.has(key)) {
+            if (incorrect_keys.empty())
+                incorrect_keys = key;
+            else {
+                incorrect_keys += ", ";
+                incorrect_keys += key;
+            }
+            config.erase(key);
         }
-    }
-    this->loaded = true;
-    return this->config;
+    return incorrect_keys;
 }
 
 void Preset::save()
@@ -390,6 +387,7 @@ const std::vector<std::string>& Preset::sla_material_options()
             "exposure_time", "initial_exposure_time",
             "material_correction_printing", "material_correction_curing",
             "material_notes",
+            "default_sla_material_profile",
             "compatible_printers",
             "compatible_printers_condition", "inherits"
         };
@@ -436,7 +434,8 @@ void PresetCollection::add_default_preset(const std::vector<std::string> &keys,
 {
     // Insert just the default preset.
     m_presets.emplace_back(Preset(this->type(), preset_name, true));
-    m_presets.back().load(keys, defaults);
+	m_presets.back().config.apply_only(defaults, keys.empty() ? defaults.keys() : keys);
+	m_presets.back().loaded = true;
     ++ m_num_default_presets;
 }
 
@@ -446,7 +445,6 @@ void PresetCollection::load_presets(const std::string &dir_path, const std::stri
 {
 	boost::filesystem::path dir = boost::filesystem::canonical(boost::filesystem::path(dir_path) / subdir).make_preferred();
 	m_dir_path = dir.string();
-    t_config_option_keys keys = this->default_preset().config.keys();
     std::string errors_cummulative;
 	for (auto &dir_entry : boost::filesystem::directory_iterator(dir))
         if (boost::filesystem::is_regular_file(dir_entry.status()) && boost::algorithm::iends_with(dir_entry.path().filename().string(), ".ini")) {
@@ -462,8 +460,26 @@ void PresetCollection::load_presets(const std::string &dir_path, const std::stri
             try {
                 Preset preset(m_type, name, false);
                 preset.file = dir_entry.path().string();
-                //FIXME One should initialize with SLAFullPrintConfig for the SLA profiles!
-                preset.load(keys, static_cast<const HostConfig&>(FullPrintConfig::defaults()));
+                // Load the preset file, apply preset values on top of defaults.
+                try {
+                    DynamicPrintConfig config;
+                    config.load_from_ini(preset.file);
+                    // Find a default preset for the config. The PrintPresetCollection provides different default preset based on the "printer_technology" field.
+					const Preset &default_preset = this->default_preset_for(config);
+                    preset.config = default_preset.config;
+                    preset.config.apply(std::move(config));
+                    Preset::normalize(preset.config);
+                    // Report configuration fields, which are misplaced into a wrong group.
+					std::string incorrect_keys = Preset::remove_invalid_keys(config, default_preset.config);
+                    if (! incorrect_keys.empty())
+                        BOOST_LOG_TRIVIAL(error) << "Error in a preset file: The preset \"" <<
+                            preset.file << "\" contains the following incorrect keys: " << incorrect_keys << ", which were removed";
+                    preset.loaded = true;
+                } catch (const std::ifstream::failure &err) {
+					throw std::runtime_error(std::string("The selected preset cannot be loaded: ") + preset.file + "\n\tReason: " + err.what());
+                } catch (const std::runtime_error &err) {
+					throw std::runtime_error(std::string("Failed loading the preset file: ") + preset.file + "\n\tReason: " + err.what());
+                }
                 m_presets.emplace_back(preset);
             } catch (const std::runtime_error &err) {
                 errors_cummulative += err.what();
@@ -491,8 +507,8 @@ static bool profile_print_params_same(const DynamicPrintConfig &cfg1, const Dyna
     // Following keys are used by the UI, not by the slicing core, therefore they are not important
     // when comparing profiles for equality. Ignore them.
     for (const char *key : { "compatible_printers", "compatible_printers_condition", "inherits", 
-                             "print_settings_id", "filament_settings_id", "printer_settings_id",
-                             "printer_model", "printer_variant", "default_print_profile", "default_filament_profile" })
+                             "print_settings_id", "filament_settings_id", "sla_material_settings_id", "printer_settings_id",
+                             "printer_model", "printer_variant", "default_print_profile", "default_filament_profile", "default_sla_material_profile" })
         diff.erase(std::remove(diff.begin(), diff.end(), key), diff.end());
     // Preset with the same name as stored inside the config exists.
     return diff.empty();
@@ -718,7 +734,7 @@ size_t PresetCollection::update_compatible_with_printer_internal(const Preset &a
         Preset &preset_edited   = selected ? m_edited_preset : preset_selected;
         if (! preset_edited.update_compatible_with_printer(active_printer, &config) &&
             selected && unselect_if_incompatible)
-            m_idx_selected = (size_t)-1;
+            m_idx_selected = -1;
         if (selected)
             preset_selected.is_compatible = preset_edited.is_compatible;
     }
@@ -1018,4 +1034,10 @@ std::string PresetCollection::path_from_name(const std::string &new_name) const
     return (boost::filesystem::path(m_dir_path) / file_name).make_preferred().string();
 }
 
+const Preset& PrinterPresetCollection::default_preset_for(const DynamicPrintConfig &config) const 
+{ 
+    const ConfigOptionEnumGeneric *opt_printer_technology = config.opt<ConfigOptionEnumGeneric>("printer_technology");
+	return this->default_preset((opt_printer_technology == nullptr || opt_printer_technology->value == 0) ? 0 : 1);
+}
+
 } // namespace Slic3r
diff --git a/src/slic3r/GUI/Preset.hpp b/src/slic3r/GUI/Preset.hpp
index 2d56e96c2..96c313b1b 100644
--- a/src/slic3r/GUI/Preset.hpp
+++ b/src/slic3r/GUI/Preset.hpp
@@ -125,9 +125,6 @@ public:
     // Configuration data, loaded from a file, or set from the defaults.
     DynamicPrintConfig  config;
 
-    // Load this profile for the following keys only.
-    DynamicPrintConfig& load(const std::vector<std::string> &keys, const StaticPrintConfig &defaults);
-
     void                save();
 
     // Return a label of this preset, consisting of a name and a "(modified)" suffix, if this preset is dirty.
@@ -177,8 +174,10 @@ public:
     static const std::vector<std::string>&  sla_printer_options();
     static const std::vector<std::string>&  sla_material_options();
 
-	static void update_suffix_modified();
-    static void normalize(DynamicPrintConfig &config);
+	static void                             update_suffix_modified();
+    static void                             normalize(DynamicPrintConfig &config);
+    // Report configuration fields, which are misplaced into a wrong group, remove them from the config.
+    static std::string                      remove_invalid_keys(DynamicPrintConfig &config, const DynamicPrintConfig &default_config);
 
 protected:
     friend class        PresetCollection;
@@ -200,9 +199,11 @@ public:
     typedef std::deque<Preset>::iterator Iterator;
     typedef std::deque<Preset>::const_iterator ConstIterator;
     Iterator        begin() { return m_presets.begin() + m_num_default_presets; }
-    ConstIterator   begin() const { return m_presets.begin() + m_num_default_presets; }
+    ConstIterator   begin() const { return m_presets.cbegin() + m_num_default_presets; }
+    ConstIterator   cbegin() const { return m_presets.cbegin() + m_num_default_presets; }
     Iterator        end() { return m_presets.end(); }
-    ConstIterator   end() const { return m_presets.end(); }
+    ConstIterator   end() const { return m_presets.cend(); }
+    ConstIterator   cend() const { return m_presets.cend(); }
 
     void            reset(bool delete_files);
 
@@ -279,8 +280,9 @@ public:
 	static const std::string&	get_suffix_modified();
 
     // Return a preset possibly with modifications.
-	Preset&			default_preset()			{ return m_presets.front(); }
-    const Preset&   default_preset() const      { return m_presets.front(); }
+	Preset&			default_preset(size_t idx = 0)		 { assert(idx < m_num_default_presets); return m_presets[idx]; }
+	const Preset&   default_preset(size_t idx = 0) const { assert(idx < m_num_default_presets); return m_presets[idx]; }
+	virtual const Preset& default_preset_for(const DynamicPrintConfig & /* config */) const { return this->default_preset(); }
     // Return a preset by an index. If the preset is active, a temporary copy is returned.
     Preset&         preset(size_t idx)          { return (int(idx) == m_idx_selected) ? m_edited_preset : m_presets[idx]; }
     const Preset&   preset(size_t idx) const    { return const_cast<PresetCollection*>(this)->preset(idx); }
@@ -440,6 +442,16 @@ private:
     friend class PresetBundle;
 };
 
+// Printer supports the FFF and SLA technologies, with different set of configuration values,
+// therefore this PresetCollection needs to handle two defaults.
+class PrinterPresetCollection : public PresetCollection
+{
+public:
+    PrinterPresetCollection(Preset::Type type, const std::vector<std::string> &keys, const Slic3r::StaticPrintConfig &defaults, const std::string &default_name = "- default -") :
+		PresetCollection(type, keys, defaults, default_name) {}
+    const Preset&   default_preset_for(const DynamicPrintConfig &config) const override;
+};
+
 } // namespace Slic3r
 
 #endif /* slic3r_Preset_hpp_ */
diff --git a/src/slic3r/GUI/PresetBundle.cpp b/src/slic3r/GUI/PresetBundle.cpp
index f0f53ff6c..0bd7d2e15 100644
--- a/src/slic3r/GUI/PresetBundle.cpp
+++ b/src/slic3r/GUI/PresetBundle.cpp
@@ -79,13 +79,17 @@ PresetBundle::PresetBundle() :
     this->printers.preset(1).printer_technology() = ptSLA;
     for (size_t i = 0; i < 2; ++ i) {
 		// The following ugly switch is to avoid printers.preset(0) to return the edited instance, as the 0th default is the current one.
-		Preset &preset = (i == 0) ? this->printers.default_preset() : this->printers.preset(1);
+		Preset &preset = this->printers.default_preset(i);
         preset.config.optptr("printer_settings_id", true);
         preset.config.optptr("printer_vendor", true);
         preset.config.optptr("printer_model", true);
         preset.config.optptr("printer_variant", true);
-        preset.config.optptr("default_print_profile", true);
-        preset.config.option<ConfigOptionStrings>("default_filament_profile", true)->values = { "" };
+        if (i == 0) {
+            preset.config.optptr("default_print_profile", true);
+            preset.config.option<ConfigOptionStrings>("default_filament_profile", true)->values = { "" };
+        } else 
+            preset.config.optptr("default_sla_material_profile", true);
+        // default_sla_material_profile
         preset.inherits();
     }
 
@@ -315,7 +319,7 @@ void PresetBundle::load_selections(const AppConfig &config)
     sla_materials.select_preset_by_name_strict(initial_sla_material_profile_name);
     printers.select_preset_by_name(initial_printer_profile_name, true);
 
-    if (printers.get_selected_preset().printer_technology() == ptFFF){
+    if (printers.get_selected_preset().printer_technology() == ptFFF) {
         // Load the names of the other filament profiles selected for a multi-material printer.
         auto   *nozzle_diameter = dynamic_cast<const ConfigOptionFloats*>(printers.get_selected_preset().config.option("nozzle_diameter"));
         size_t  num_extruders = nozzle_diameter->values.size();
@@ -342,8 +346,8 @@ void PresetBundle::load_selections(const AppConfig &config)
 // Export selections (current print, current filaments, current printer) into config.ini
 void PresetBundle::export_selections(AppConfig &config)
 {
-    assert(filament_presets.size() >= 1);
-    assert(filament_presets.size() > 1 || filaments.get_selected_preset_name() == filament_presets.front());
+	assert(this->printers.get_edited_preset().printer_technology() != ptFFF || filament_presets.size() >= 1);
+	assert(this->printers.get_edited_preset().printer_technology() != ptFFF || filament_presets.size() > 1 || filaments.get_selected_preset_name() == filament_presets.front());
     config.clear_section("presets");
     config.set("presets", "print",        prints.get_selected_preset_name());
     config.set("presets", "filament",     filament_presets.front());
@@ -975,7 +979,7 @@ size_t PresetBundle::load_configbundle(const std::string &path, unsigned int fla
         } else if (boost::starts_with(section.first, "sla_material:")) {
             presets = &this->sla_materials;
             loaded  = &loaded_sla_materials;
-            preset_name = section.first.substr(9);
+            preset_name = section.first.substr(13);
         } else if (boost::starts_with(section.first, "printer:")) {
             presets = &this->printers;
             loaded  = &loaded_printers;
@@ -1025,25 +1029,25 @@ size_t PresetBundle::load_configbundle(const std::string &path, unsigned int fla
             continue;
         if (presets != nullptr) {
             // Load the print, filament or printer preset.
-            const DynamicPrintConfig &default_config = presets->default_preset().config;
-            DynamicPrintConfig config(default_config);
-            for (auto &kvp : section.second)
-                config.set_deserialize(kvp.first, kvp.second.data());
+            const DynamicPrintConfig *default_config = nullptr;
+            DynamicPrintConfig        config;
+            if (presets == &this->printers) {
+                // Select the default config based on the printer_technology field extracted from kvp.
+                DynamicPrintConfig config_src;
+                for (auto &kvp : section.second)
+                    config_src.set_deserialize(kvp.first, kvp.second.data());
+                default_config = &presets->default_preset_for(config_src).config;
+                config = *default_config;
+                config.apply(config_src);
+            } else {
+                default_config = &presets->default_preset().config;
+                config = *default_config;
+                for (auto &kvp : section.second)
+                    config.set_deserialize(kvp.first, kvp.second.data());
+            }
             Preset::normalize(config);
             // Report configuration fields, which are misplaced into a wrong group.
-            std::string incorrect_keys;
-            size_t      n_incorrect_keys = 0;
-            for (const std::string &key : config.keys())
-                if (! default_config.has(key)) {
-                    if (incorrect_keys.empty())
-                        incorrect_keys = key;
-                    else {
-                        incorrect_keys += ", ";
-                        incorrect_keys += key;
-                    }
-                    config.erase(key);
-                    ++ n_incorrect_keys;
-                }
+            std::string incorrect_keys = Preset::remove_invalid_keys(config, *default_config);
             if (! incorrect_keys.empty())
                 BOOST_LOG_TRIVIAL(error) << "Error in a Vendor Config Bundle \"" << path << "\": The printer preset \"" << 
                     section.first << "\" contains the following incorrect keys: " << incorrect_keys << ", which were removed";
@@ -1207,12 +1211,11 @@ void PresetBundle::update_compatible_with_printer(bool select_other_if_incompati
     }
     case ptSLA:
     {
-        const std::string              &prefered_print_profile     = printer_preset.config.opt_string("default_print_profile");
-        const std::vector<std::string> &prefered_filament_profiles = printer_preset.config.option<ConfigOptionStrings>("default_filament_profile")->values;
-        prefered_print_profile.empty() ?
+        const std::string              &prefered_sla_material_profile     = printer_preset.config.opt_string("default_sla_material_profile");
+        prefered_sla_material_profile.empty() ?
             this->sla_materials.update_compatible_with_printer(printer_preset, select_other_if_incompatible) :
 			this->sla_materials.update_compatible_with_printer(printer_preset, select_other_if_incompatible,
-                [&prefered_print_profile](const std::string& profile_name){ return profile_name == prefered_print_profile; });        
+                [&prefered_sla_material_profile](const std::string& profile_name){ return profile_name == prefered_sla_material_profile; });        
     }
     }
 }
diff --git a/src/slic3r/GUI/PresetBundle.hpp b/src/slic3r/GUI/PresetBundle.hpp
index e116b0ff9..a7d9ab7d2 100644
--- a/src/slic3r/GUI/PresetBundle.hpp
+++ b/src/slic3r/GUI/PresetBundle.hpp
@@ -41,7 +41,7 @@ public:
     PresetCollection            prints;
     PresetCollection            filaments;
     PresetCollection            sla_materials;
-    PresetCollection            printers;
+    PrinterPresetCollection     printers;
     // Filament preset names for a multi-extruder or multi-material print.
     // extruders.size() should be the same as printers.get_edited_preset().config.nozzle_diameter.size()
     std::vector<std::string>    filament_presets;
diff --git a/src/slic3r/GUI/Tab.cpp b/src/slic3r/GUI/Tab.cpp
index bba5161cc..c19027581 100644
--- a/src/slic3r/GUI/Tab.cpp
+++ b/src/slic3r/GUI/Tab.cpp
@@ -627,7 +627,8 @@ void Tab::load_config(const DynamicPrintConfig& config)
 }
 
 // Reload current $self->{config} (aka $self->{presets}->edited_preset->config) into the UI fields.
-void Tab::reload_config(){
+void Tab::reload_config()
+{
 	Freeze();
 	for (auto page : m_pages)
 		page->reload_config();
@@ -787,6 +788,7 @@ void Tab::update_preset_description_line()
 							", ver: " + parent->vendor->config_version.to_string();
 		if (name() == "printer"){
 			const std::string              &printer_model = preset.config.opt_string("printer_model");
+			//FIXME add prefered_sla_material_profile for SLA
 			const std::string              &default_print_profile = preset.config.opt_string("default_print_profile");
 			const std::vector<std::string> &default_filament_profiles = preset.config.option<ConfigOptionStrings>("default_filament_profile")->values;
 			if (!printer_model.empty())
@@ -2045,7 +2047,8 @@ void TabPrinter::on_preset_loaded()
 void TabPrinter::update_pages()
 {
     // update m_pages ONLY if printer technology is changed
-    if (m_presets->get_edited_preset().printer_technology() == m_printer_technology)
+    const PrinterTechnology new_printer_technology = m_presets->get_edited_preset().printer_technology();
+    if (new_printer_technology == m_printer_technology)
         return;
 
     // hide all old pages
@@ -2057,7 +2060,8 @@ void TabPrinter::update_pages()
 
     // build Tab according to the technology, if it's not exist jet OR
     // set m_pages_(technology after changing) to m_pages
-    if (m_presets->get_edited_preset().printer_technology() == ptFFF)
+    // m_printer_technology will be set by Tab::load_current_preset()
+    if (new_printer_technology == ptFFF)
         m_pages_fff.empty() ? build_fff() : m_pages.swap(m_pages_fff);
     else 
         m_pages_sla.empty() ? build_sla() : m_pages.swap(m_pages_sla);
@@ -2207,35 +2211,35 @@ void Tab::load_current_preset()
 		update_tab_ui();
 
         // update show/hide tabs
-        if (m_name == "printer"){
+        if (m_name == "printer") {
             PrinterTechnology& printer_technology = m_presets->get_edited_preset().printer_technology();
             if (printer_technology != static_cast<TabPrinter*>(this)->m_printer_technology)
             {
-                for (auto& tab : wxGetApp().mainframe->get_preset_tabs()){
+                for (auto& tab : wxGetApp().mainframe->get_preset_tabs()) {
                     if (tab.technology != printer_technology)
                     {
                         int page_id = wxGetApp().tab_panel()->FindPage(tab.panel);
                         wxGetApp().tab_panel()->GetPage(page_id)->Show(false);
                         wxGetApp().tab_panel()->RemovePage(page_id);
-                    }
-                    else
+                    } else
                         wxGetApp().tab_panel()->InsertPage(wxGetApp().tab_panel()->FindPage(this), tab.panel, tab.panel->title());
                 }
-
                 static_cast<TabPrinter*>(this)->m_printer_technology = printer_technology;
             }
-        }
-
-		on_presets_changed();
-
-		if (name() == "print")
-			update_frequently_changed_parameters();
-		if (m_name == "printer"){
-			static_cast<TabPrinter*>(this)->m_initial_extruders_count = static_cast<TabPrinter*>(this)->m_extruders_count;
-			const Preset* parent_preset = m_presets->get_selected_preset_parent();
-			static_cast<TabPrinter*>(this)->m_sys_extruders_count = parent_preset == nullptr ? 0 :
-				static_cast<const ConfigOptionFloats*>(parent_preset->config.option("nozzle_diameter"))->values.size();
+			on_presets_changed();
+			if (printer_technology == ptFFF) {
+				static_cast<TabPrinter*>(this)->m_initial_extruders_count = static_cast<TabPrinter*>(this)->m_extruders_count;
+				const Preset* parent_preset = m_presets->get_selected_preset_parent();
+				static_cast<TabPrinter*>(this)->m_sys_extruders_count = parent_preset == nullptr ? 0 :
+					static_cast<const ConfigOptionFloats*>(parent_preset->config.option("nozzle_diameter"))->values.size();
+			}
 		}
+		else {
+			on_presets_changed();
+			if (m_name == "print")
+				update_frequently_changed_parameters();
+		}
+
 		m_opt_status_value = (m_presets->get_selected_preset_parent() ? osSystemValue : 0) | osInitValue;
 		init_options_list();
 		update_changed_ui();
@@ -2543,7 +2547,7 @@ void Tab::delete_preset()
 	// Delete the file and select some other reasonable preset.
 	// The 'external' presets will only be removed from the preset list, their files will not be deleted.
 	try{ m_presets->delete_current_preset(); }
-	catch (const std::exception &e)
+	catch (const std::exception & /* e */)
 	{
 		return;
 	}
diff --git a/src/slic3r/GUI/Tab.hpp b/src/slic3r/GUI/Tab.hpp
index 196114256..942a50908 100644
--- a/src/slic3r/GUI/Tab.hpp
+++ b/src/slic3r/GUI/Tab.hpp
@@ -213,6 +213,7 @@ public:
 	wxString	title()	 const { return m_title; }
 	std::string	name()	 const { return m_name; }
     Preset::Type type()  const { return m_type; }
+    virtual bool supports_printer_technology(const PrinterTechnology tech) = 0;
 
 	void		create_preset_tab();
 	void		load_current_preset();
@@ -291,6 +292,7 @@ public:
 	void		reload_config() override;
 	void		update() override;
 	void		OnActivate() override;
+    bool 		supports_printer_technology(const PrinterTechnology tech) override { return tech == ptFFF; }
 };
 
 //Slic3r::GUI::Tab::Filament;
@@ -308,6 +310,7 @@ public:
 	void		reload_config() override;
 	void		update() override;
 	void		OnActivate() override;
+    bool 		supports_printer_technology(const PrinterTechnology tech) override { return tech == ptFFF; }
 };
 
 //Slic3r::GUI::Tab::Printer;
@@ -321,9 +324,9 @@ class TabPrinter : public Tab
     std::vector<PageShp>			m_pages_fff;
     std::vector<PageShp>			m_pages_sla;
 public:
-	wxButton*	m_serial_test_btn;
-	wxButton*	m_print_host_test_btn;
-	wxButton*	m_printhost_browse_btn;
+	wxButton*	m_serial_test_btn = nullptr;
+	wxButton*	m_print_host_test_btn = nullptr;
+	wxButton*	m_printhost_browse_btn = nullptr;
 
 	size_t		m_extruders_count;
 	size_t		m_extruders_count_old = 0;
@@ -349,6 +352,7 @@ public:
 	void		build_extruder_pages();
 	void		on_preset_loaded() override;
 	void		init_options_list() override;
+    bool 		supports_printer_technology(const PrinterTechnology /* tech */) override { return true; }
 };
 
 class TabSLAMaterial : public Tab
@@ -362,6 +366,7 @@ public:
 	void		build() override;
 	void		update() override;
     void		init_options_list() override;
+    bool 		supports_printer_technology(const PrinterTechnology tech) override { return tech == ptSLA; }
 };
 
 class SavePresetWindow :public wxDialog