archipack: thumb generator to replace static thumbs, revert _preset to preset according to talk with ideasman42

65 files changed, 616 insertions, 242 deletions

diff --git a/archipack/__init__.py b/archipack/__init__.py
index 93a50e66..7707abd3 100644
--- a/archipack/__init__.py
+++ b/archipack/__init__.py
@@ -261,7 +261,7 @@ class Archipack_Pref(AddonPreferences):
         col.label(text="Manipulators:")
         col.prop(self, "arrow_size")
         col.prop(self, "handle_size")
-
+        # layout.operator("archipack.render_thumbs")
 
 # ----------------------------------------------------
 # Archipack panels
@@ -283,18 +283,16 @@ class TOOLS_PT_Archipack_Tools(Panel):
     def draw(self, context):
         wm = context.window_manager
         layout = self.layout
-        row = layout.row(align=True)
-        box = row.box()
+        box = layout.box()
         box.label("Auto boolean")
-        row = box.row(align=True)
-        row.operator("archipack.auto_boolean", text="AutoBoolean", icon='AUTO').mode = 'HYBRID'
-        row = layout.row(align=True)
-        box = row.box()
+        box.operator("archipack.auto_boolean", text="AutoBoolean", icon='AUTO').mode = 'HYBRID'
+        box = layout.box()
         box.label("Rendering")
-        row = box.row(align=True)
-        row.prop(wm.archipack, 'render_type', text="")
-        row = box.row(align=True)
-        row.operator("archipack.render", icon='RENDER_STILL')
+        box.prop(wm.archipack, 'render_type', text="")
+        box.operator("archipack.render", icon='RENDER_STILL')
+        box = layout.box()
+        box.label("Render presets Thumbnails")
+        box.operator("archipack.render_thumbs", icon='ERROR')
 
 
 class TOOLS_PT_Archipack_Create(Panel):
diff --git a/archipack/_presets/archipack_materials/floor.txt b/archipack/_presets/archipack_materials/floor.txt
deleted file mode 100644
index e04180a6..00000000
--- a/archipack/_presets/archipack_materials/floor.txt
+++ /dev/null
@@ -1,11 +0,0 @@
-DEFAULT##|##Floor_grout
-DEFAULT##|##Floor_alt1
-DEFAULT##|##Floor_alt2
-DEFAULT##|##Floor_alt3
-DEFAULT##|##Floor_alt4
-DEFAULT##|##Floor_alt5
-DEFAULT##|##Floor_alt6
-DEFAULT##|##Floor_alt7
-DEFAULT##|##Floor_alt8
-DEFAULT##|##Floor_alt9
-DEFAULT##|##Floor_alt10
diff --git a/archipack/_presets/archipack_materials/roof.txt b/archipack/_presets/archipack_materials/roof.txt
deleted file mode 100644
index 84e6394e..00000000
--- a/archipack/_presets/archipack_materials/roof.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-DEFAULT##|##Roof_sheeting
-DEFAULT##|##Roof_rakes
-DEFAULT##|##Roof_eaves
-DEFAULT##|##Roof_ridge
-DEFAULT##|##Roof_rafter
-DEFAULT##|##Roof_valley
-DEFAULT##|##Roof_hip_tiles
-DEFAULT##|##Roof_tiles
-DEFAULT##|##Roof_tiles2
-DEFAULT##|##Roof_tiles3
-DEFAULT##|##Roof_tiles4
-DEFAULT##|##Roof_tiles5
diff --git a/archipack/_presets/archipack_materials/wall.txt b/archipack/_presets/archipack_materials/wall.txt
deleted file mode 100644
index e489e4a6..00000000
--- a/archipack/_presets/archipack_materials/wall.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-DEFAULT##|##Wall_inside
-DEFAULT##|##Wall_outside
-DEFAULT##|##Wall_cuts
-DEFAULT##|##Wall_alt1
-DEFAULT##|##Wall_alt2
-DEFAULT##|##Wall_alt3
-DEFAULT##|##Wall_alt4
-DEFAULT##|##Wall_alt5
diff --git a/archipack/archipack_cutter.py b/archipack/archipack_cutter.py
index bce82008..ba51b863 100644
--- a/archipack/archipack_cutter.py
+++ b/archipack/archipack_cutter.py
@@ -40,6 +40,7 @@ class CutterSegment(Line):
     def __init__(self, p, v, type='DEFAULT'):
         Line.__init__(self, p, v)
         self.type = type
+        self.is_hole = True
 
     @property
     def copy(self):
@@ -404,23 +405,29 @@ class CutAblePolygon():
         # no points found at all
         if start < 0:
             # print("no pt inside")
-            return
+            return not keep_inside
 
         if not slice_res:
             # print("slice fails")
             # found more segments than input
             # cutter made more than one loop
-            return
+            return True
 
         if len(store) < 1:
             if is_inside:
                 # print("not touching, add as hole")
-                self.holes.append(cutter)
-            return
+                if keep_inside:
+                    self.segs = cutter.segs
+                else:
+                    self.holes.append(cutter)
+
+            return True
 
         self.segs = store
         self.is_convex()
 
+        return True
+
 
 class CutAbleGenerator():
 
@@ -641,8 +648,7 @@ class ArchipackCutter():
             row.prop(self, 'parts_expand', icon="TRIA_DOWN", icon_only=True, text="Parts", emboss=False)
             box.prop(self, 'n_parts')
             for i, part in enumerate(self.parts):
-                if i < self.n_parts:
-                    part.draw(layout, context, i)
+                part.draw(layout, context, i)
         else:
             row.prop(self, 'parts_expand', icon="TRIA_RIGHT", icon_only=True, text="Parts", emboss=False)
 
diff --git a/archipack/archipack_floor.py b/archipack/archipack_floor.py
index 29957716..9899905d 100644
--- a/archipack/archipack_floor.py
+++ b/archipack/archipack_floor.py
@@ -806,9 +806,6 @@ class FloorGenerator(CutAblePolygon, CutAbleGenerator):
         m.set_pts([pt1, pt2, pt3])
 
     def generate_pattern(self, d, verts, faces, matids, uvs):
-        # clear data before refreshing it
-
-        self.uv_factor = 1 / max(self.xmax, self.ymax)  # automatically scale to keep within reasonable bounds
 
         if d.pattern == "boards":
             self.boards(d, verts, faces, matids, uvs)
@@ -1225,14 +1222,14 @@ class archipack_floor(ArchipackObject, Manipulable, PropertyGroup):
 
     vary_materials = BoolProperty(
                 name="Vary Material?",
-                default=False,
+                default=True,
                 description="Vary Material indexes",
                 update=update)
     matid = IntProperty(
                 name="#variations",
                 min=1,
                 max=10,
-                default=1,
+                default=7,
                 description="Material index maxi",
                 update=update)
     auto_update = BoolProperty(
@@ -1815,7 +1812,7 @@ class ARCHIPACK_OT_floor(ArchipackCreateTool, Operator):
             # activate manipulators at creation time
             o.select = True
             context.scene.objects.active = o
-            bpy.ops.archipack.floor_manipulate()
+            self.manipulate()
             return {'FINISHED'}
         else:
             self.report({'WARNING'}, "Option only valid in Object mode")
diff --git a/archipack/archipack_manipulator.py b/archipack/archipack_manipulator.py
index c96af62a..034507d8 100644
--- a/archipack/archipack_manipulator.py
+++ b/archipack/archipack_manipulator.py
@@ -2094,7 +2094,7 @@ class ARCHIPACK_OT_manipulate(Operator):
         return res
 
     def invoke(self, context, event):
-        if context.space_data.type == 'VIEW_3D':
+        if context.space_data is not None and context.space_data.type == 'VIEW_3D':
             context.window_manager.modal_handler_add(self)
             return {'RUNNING_MODAL'}
         else:
@@ -2213,7 +2213,7 @@ class Manipulable():
 
         # take care of context switching
         # when call from outside of 3d view
-        if context.space_data.type != 'VIEW_3D':
+        if context.space_data is not None and context.space_data.type != 'VIEW_3D':
             for window in bpy.context.window_manager.windows:
                 screen = window.screen
                 for area in screen.areas:
diff --git a/archipack/archipack_material.py b/archipack/archipack_material.py
index 7cb44180..c226c7fb 100644
--- a/archipack/archipack_material.py
+++ b/archipack/archipack_material.py
@@ -37,6 +37,7 @@ from bpy.props import (
     StringProperty
     )
 
+
 setman = None
 libman = None
 
@@ -49,7 +50,10 @@ class MatLib():
     """
     def __init__(self, matlib_path, name):
         self.name = name
-        self.path = os.path.join(matlib_path, name)
+        try:
+            self.path = os.path.join(matlib_path, name)
+        except:
+            pass
         self.materials = []
 
     def cleanup(self):
@@ -60,14 +64,15 @@ class MatLib():
             list material names
         """
         # print("MatLib.load_list(%s)" % (self.name))
-
         self.materials.clear()
-
-        with bpy.data.libraries.load(self.path) as (data_from, data_to):
-            for mat in data_from.materials:
-                self.materials.append(mat)
-        if sort:
-            self.materials = list(sorted(self.materials))
+        try:
+            with bpy.data.libraries.load(self.path) as (data_from, data_to):
+                for mat in data_from.materials:
+                    self.materials.append(mat)
+            if sort:
+                self.materials = list(sorted(self.materials))
+        except:
+            pass
 
     def has(self, name):
         return name in self.materials
@@ -76,15 +81,19 @@ class MatLib():
         """
             Load a material from library
         """
-        # print("MatLib.load_mat(%s) linked:%s" % (name, link))
-        with bpy.data.libraries.load(self.path, link, False) as (data_from, data_to):
-            data_to.materials = [name]
+        try:
+            # print("MatLib.load_mat(%s) linked:%s" % (name, link))
+            with bpy.data.libraries.load(self.path, link, False) as (data_from, data_to):
+                data_to.materials = [name]
+        except:
+            pass
 
     def get_mat(self, name, link):
         """
             apply a material by name to active_object
             into slot index
             lazy load material list on demand
+            return material or None
         """
 
         # Lazy load material names
@@ -116,14 +125,14 @@ class MatlibsManager():
         self.matlibs.clear()
 
     def get_prefs(self, context):
+        """
+            let raise error if any
+        """
         global __name__
         prefs = None
-        try:
-            # retrieve addon name from imports
-            addon_name = __name__.split('.')[0]
-            prefs = context.user_preferences.addons[addon_name].preferences
-        except:
-            pass
+        # retrieve addon name from imports
+        addon_name = __name__.split('.')[0]
+        prefs = context.user_preferences.addons[addon_name].preferences
         return prefs
 
     @property
@@ -166,7 +175,7 @@ class MatlibsManager():
             prefs = self.get_prefs(context)
             self.add_to_list(prefs.matlib_path)
         except:
-            print("unable to load %s" % mat_path)
+            print("Archipack: Unable to load default material library, please check path in addon prefs")
             pass
 
     def apply(self, context, slot_index, name, link=False):
@@ -248,20 +257,23 @@ class MaterialSetManager():
         # print("load filename %s" % filename)
 
         material_sets = {}
-        
+
         # create file object, and set open mode
         if os.path.exists(filename):
-        
-            f = open(filename, 'r')
-            lines = f.readlines()
-
-            for line in lines:
-                s_key, mat_name = line.split("##|##")
-                if str(s_key) not in material_sets.keys():
-                    material_sets[s_key] = []
-                material_sets[s_key].append(mat_name.strip())
-
-            f.close()
+            try:
+                f = open(filename, 'r')
+                lines = f.readlines()
+
+                for line in lines:
+                    s_key, mat_name = line.split("##|##")
+                    if str(s_key) not in material_sets.keys():
+                        material_sets[s_key] = []
+                    material_sets[s_key].append(mat_name.strip())
+            except:
+                print("Archipack: An error occured while loading {}".format(filename))
+                pass
+            finally:
+                f.close()
 
             for s_key in material_sets.keys():
                 self.register_set(object_type, s_key, material_sets[s_key])
@@ -275,9 +287,14 @@ class MaterialSetManager():
         for s_key in o_dict.keys():
             for mat in o_dict[s_key]:
                 lines.append("{}##|##{}\n".format(s_key, mat))
-        f = open(filename, 'w')
-        f.writelines(lines)
-        f.close()
+        try:
+            f = open(filename, 'w')
+            f.writelines(lines)
+        except:
+            print("Archipack: An error occured while saving {}".format(filename))
+            pass
+        finally:
+            f.close()
 
     def add(self, context, set_name):
         o = context.active_object
@@ -302,9 +319,10 @@ class MaterialSetManager():
         if object_type not in self.objects.keys():
             self.load(object_type)
         if object_type not in self.objects.keys():
+            print("Archipack: Unknown object type {}".format(object_type))
             return None
         if set_name not in self.objects[object_type].keys():
-            print("set {} not found".format(set_name))
+            print("Archipack: set {} not found".format(set_name))
             return None
         return self.objects[object_type][set_name]
 
@@ -315,9 +333,9 @@ class MaterialSetManager():
 
         if object_type not in self.objects.keys():
             self.objects[object_type] = {}
-            
+
         s_keys = self.objects[object_type].keys()
-        
+
         if len(s_keys) < 1:
             return [('DEFAULT', 'Default', '', 0)]
 
@@ -344,7 +362,7 @@ class archipack_material(PropertyGroup):
         )
     material = EnumProperty(
         name="Material",
-        description="Material type",
+        description="Material Set name",
         items=material_enum,
         update=update
         )
@@ -429,7 +447,7 @@ class ARCHIPACK_OT_material(Operator):
         )
     material = StringProperty(
         name="Material",
-        description="Material type",
+        description="Material Set name",
         default=""
         )
 
@@ -455,8 +473,10 @@ class ARCHIPACK_OT_material(Operator):
             pass
 
         if res:
+            # print("ARCHIPACK_OT_material.apply {} {}".format(self.category, self.material))
             return {'FINISHED'}
         else:
+            print("Archipack: unable to add material {} for {}".format(self.material, self.category))
             self.report({'WARNING'}, 'Material {} for {} not found'.format(self.material, self.category))
             return {'CANCELLED'}
 
@@ -469,7 +489,7 @@ class ARCHIPACK_OT_material_add(Operator):
 
     material = StringProperty(
         name="Material",
-        description="Material type",
+        description="Material Set name",
         default=""
         )
 
diff --git a/archipack/archipack_object.py b/archipack/archipack_object.py
index b99fc33b..7c3a2c16 100644
--- a/archipack/archipack_object.py
+++ b/archipack/archipack_object.py
@@ -36,7 +36,6 @@ from bpy_extras.view3d_utils import (
     region_2d_to_origin_3d,
     region_2d_to_vector_3d
     )
-# from .materialutils import MaterialUtils
 
 
 class ArchipackObject():
@@ -151,18 +150,30 @@ class ArchipackCreateTool():
     def load_preset(self, d):
         """
             Load python preset
+            d: archipack object datablock
             preset: full filename.py with path
         """
         d.auto_update = False
+        fallback = True
         if self.filepath != "":
             try:
                 bpy.ops.script.python_file_run(filepath=self.filepath)
+                fallback = False
             except:
-                print("Archipack unable to load preset file : %s" % (self.filepath))
                 pass
+            if fallback:
+                # fallback to load preset on background process
+                try:
+                    exec(compile(open(self.filepath).read(), self.filepath, 'exec'))
+                except:
+                    print("Archipack unable to load preset file : %s" % (self.filepath))
+                    pass
         d.auto_update = True
 
     def add_material(self, o, material='DEFAULT', category=None):
+        # skip if preset allready add material
+        if "archipack_material" in o:
+            return
         try:
             if category is None:
                 category = self.archipack_category
diff --git a/archipack/archipack_preset.py b/archipack/archipack_preset.py
index 6dd39b28..3541042c 100644
--- a/archipack/archipack_preset.py
+++ b/archipack/archipack_preset.py
@@ -26,6 +26,7 @@
 # ----------------------------------------------------------
 import bpy
 import os
+import subprocess
 from bl_operators.presets import AddPresetBase
 from mathutils import Vector
 from bpy.props import StringProperty
@@ -235,19 +236,19 @@ class PresetMenu():
             self.imageList.append(self.default_image.filepath_raw)
             return
         dir_path = os.path.dirname(os.path.realpath(__file__))
-        sub_path = "_presets" + os.path.sep + "missing.png"
+        sub_path = "presets" + os.path.sep + "missing.png"
         filepath = os.path.join(dir_path, sub_path)
         if os.path.exists(filepath) and os.path.isfile(filepath):
             self.default_image = bpy.data.images.load(filepath=filepath)
             self.imageList.append(self.default_image.filepath_raw)
         if self.default_image is None:
-            raise EnvironmentError("archipack/_presets/missing.png not found")
+            raise EnvironmentError("archipack/presets/missing.png not found")
 
     def scan_files(self, category):
         file_list = []
         # load default presets
         dir_path = os.path.dirname(os.path.realpath(__file__))
-        sub_path = "_presets" + os.path.sep + category
+        sub_path = "presets" + os.path.sep + category
         presets_path = os.path.join(dir_path, sub_path)
         if os.path.exists(presets_path):
             file_list += [presets_path + os.path.sep + f[:-3]
@@ -280,7 +281,7 @@ class PresetMenu():
         """
         image = None
         img_idx = bpy.data.images.find(os.path.basename(filepath) + '.png')
-        if img_idx > -1:
+        if img_idx > -1 and bpy.data.images[img_idx].filepath_raw == filepath:
             image = bpy.data.images[img_idx]
             self.imageList.append(image.filepath_raw)
         elif os.path.exists(filepath + '.png') and os.path.isfile(filepath + '.png'):
@@ -522,6 +523,23 @@ class ArchipackPreset(AddPresetBase):
         # remove thumb
         os.remove(filepath[:-3] + ".png")
 
+    def background_render(self, context, cls, preset):
+        print("bg render")
+        generator = os.path.dirname(os.path.realpath(__file__)) + os.path.sep + "archipack_thumbs.py"
+        # Run external instance of blender like the original thumbnail generator.
+        cmd = [
+            bpy.app.binary_path,
+            "--background",
+            "-noaudio",
+            "--python", generator,
+            "--",
+            "cls:" + cls,
+            "preset:" + preset
+            ]
+        print(repr(cmd))
+
+        subprocess.Popen(cmd)
+
     def post_cb(self, context):
 
         if not self.remove_active:
@@ -536,49 +554,9 @@ class ArchipackPreset(AddPresetBase):
                                                   target_path,
                                                   create=True)
 
-            filepath = os.path.join(target_path, filename) + ".png"
-
-            # render thumb
-            scene = context.scene
-            render = scene.render
-
-            # save render parame
-            resolution_x = render.resolution_x
-            resolution_y = render.resolution_y
-            resolution_percentage = render.resolution_percentage
-            old_filepath = render.filepath
-            use_file_extension = render.use_file_extension
-            use_overwrite = render.use_overwrite
-            use_compositing = render.use_compositing
-            use_sequencer = render.use_sequencer
-            file_format = render.image_settings.file_format
-            color_mode = render.image_settings.color_mode
-            color_depth = render.image_settings.color_depth
-
-            render.resolution_x = 150
-            render.resolution_y = 100
-            render.resolution_percentage = 100
-            render.filepath = filepath
-            render.use_file_extension = True
-            render.use_overwrite = True
-            render.use_compositing = False
-            render.use_sequencer = False
-            render.image_settings.file_format = 'PNG'
-            render.image_settings.color_mode = 'RGBA'
-            render.image_settings.color_depth = '8'
-            bpy.ops.render.render(animation=False, write_still=True, use_viewport=False)
-
-            # restore render params
-            render.resolution_x = resolution_x
-            render.resolution_y = resolution_y
-            render.resolution_percentage = resolution_percentage
-            render.filepath = old_filepath
-            render.use_file_extension = use_file_extension
-            render.use_overwrite = use_overwrite
-            render.use_compositing = use_compositing
-            render.use_sequencer = use_sequencer
-            render.image_settings.file_format = file_format
-            render.image_settings.color_mode = color_mode
-            render.image_settings.color_depth = color_depth
+            preset = os.path.join(target_path, filename) + ".py"
+            cls = self.preset_subdir[10:]
+            print("post cb cls:%s preset:%s" % (cls, preset))
+            self.background_render(context, cls, preset)
 
             return
diff --git a/archipack/archipack_progressbar.py b/archipack/archipack_progressbar.py
index 16740c99..35ed166d 100644
--- a/archipack/archipack_progressbar.py
+++ b/archipack/archipack_progressbar.py
@@ -36,13 +36,16 @@ info_header_draw = None
 
 def update(self, context):
     global last_update
-    areas = context.window.screen.areas
-    for area in areas:
-        if area.type == 'INFO':
-            area.tag_redraw()
-    if time() - last_update > 0.1:
-        bpy.ops.wm.redraw_timer(type='DRAW_WIN_SWAP', iterations=1)
-        last_update = time()
+    if (context.window is not None and
+            context.window.screen is not None and
+            context.window.screen.areas is not None):
+        areas = context.window.screen.areas
+        for area in areas:
+            if area.type == 'INFO':
+                area.tag_redraw()
+        if time() - last_update > 0.1:
+            bpy.ops.wm.redraw_timer(type='DRAW_WIN_SWAP', iterations=1)
+            last_update = time()
 
 
 def register():
diff --git a/archipack/archipack_rendering.py b/archipack/archipack_rendering.py
index 3d86d4d8..d95bb742 100644
--- a/archipack/archipack_rendering.py
+++ b/archipack/archipack_rendering.py
@@ -30,8 +30,9 @@
 import bpy
 # noinspection PyUnresolvedReferences
 import bgl
-from os import path, remove
+from os import path, remove, listdir
 from sys import exc_info
+import subprocess
 # noinspection PyUnresolvedReferences
 import bpy_extras.image_utils as img_utils
 # noinspection PyUnresolvedReferences
@@ -39,6 +40,95 @@ from math import ceil
 from bpy.types import Operator
 
 
+class ARCHIPACK_OT_render_thumbs(Operator):
+    bl_idname = "archipack.render_thumbs"
+    bl_label = "Render preset thumbs"
+    bl_description = "Render all presets thumbs"
+    bl_options = {'REGISTER', 'INTERNAL'}
+
+    def background_render(self, context, cls, preset):
+        generator = path.dirname(path.realpath(__file__)) + path.sep + "archipack_thumbs.py"
+        # Run external instance of blender like the original thumbnail generator.
+        cmd = [
+            bpy.app.binary_path,
+            "--background",
+            "-noaudio",
+            "--python", generator,
+            "--",
+            "cls:" + cls,
+            "preset:" + preset
+            ]
+
+        popen = subprocess.Popen(cmd, stdout=subprocess.PIPE, universal_newlines=True)
+        for stdout_line in iter(popen.stdout.readline, ""):
+            yield stdout_line
+        popen.stdout.close()
+        popen.wait()
+
+    def scan_files(self, category):
+        file_list = []
+        # load default presets
+        dir_path = path.dirname(path.realpath(__file__))
+        sub_path = "presets" + path.sep + category
+        presets_path = path.join(dir_path, sub_path)
+        if path.exists(presets_path):
+            file_list += [presets_path + path.sep + f[:-3]
+                for f in listdir(presets_path)
+                if f.endswith('.py') and
+                not f.startswith('.')]
+        # load user def presets
+        preset_paths = bpy.utils.script_paths("presets")
+        for preset in preset_paths:
+            presets_path = path.join(preset, category)
+            if path.exists(presets_path):
+                file_list += [presets_path + path.sep + f[:-3]
+                    for f in listdir(presets_path)
+                    if f.endswith('.py') and
+                    not f.startswith('.')]
+
+        file_list.sort()
+        return file_list
+
+    def rebuild_thumbs(self, context):
+        file_list = []
+        dir_path = path.dirname(path.realpath(__file__))
+        sub_path = "presets"
+        presets_path = path.join(dir_path, sub_path)
+        print(presets_path)
+        if path.exists(presets_path):
+            dirs = listdir(presets_path)
+            for dir in dirs:
+                abs_dir = path.join(presets_path, dir)
+                if path.isdir(abs_dir):
+                    files = self.scan_files(dir)
+                    file_list.extend([(dir, file) for file in files])
+
+        ttl = len(file_list)
+        for i, preset in enumerate(file_list):
+            dir, file = preset
+            cls = dir[10:]
+            context.scene.archipack_progress = (100 * i / ttl)
+            for l in self.background_render(context, cls, file + ".py"):
+                if "[log]" in l:
+                    print(l[5:].strip())
+                # elif not "Fra:1" in l:
+                #    print(l.strip())
+
+    @classmethod
+    def poll(cls, context):
+        return context.scene.archipack_progress < 0
+
+    def invoke(self, context, event):
+        return context.window_manager.invoke_confirm(self, event)
+
+    def execute(self, context):
+        context.scene.archipack_progress_text = 'Generating thumbs'
+        context.scene.archipack_progress = 0
+        self.rebuild_thumbs(context)
+        context.scene.archipack_progress = -1
+        return {'FINISHED'}
+
+
 # -------------------------------------------------------------
 # Defines button for render
 #
@@ -523,7 +613,9 @@ class ARCHIPACK_OT_render(Operator):
 
 def register():
     bpy.utils.register_class(ARCHIPACK_OT_render)
+    bpy.utils.register_class(ARCHIPACK_OT_render_thumbs)
 
 
 def unregister():
     bpy.utils.unregister_class(ARCHIPACK_OT_render)
+    bpy.utils.unregister_class(ARCHIPACK_OT_render_thumbs)
diff --git a/archipack/archipack_roof.py b/archipack/archipack_roof.py
index d3399d85..b3f8e904 100644
--- a/archipack/archipack_roof.py
+++ b/archipack/archipack_roof.py
@@ -1578,6 +1578,9 @@ class RoofGenerator(CutAbleGenerator):
 
         idmat = 7
         rand = 3
+        ttl = len(self.pans)
+        if ttl < 1:
+            return
 
         sx, sy, sz = d.tile_size_x, d.tile_size_y, d.tile_size_z
 
@@ -1687,10 +1690,10 @@ class RoofGenerator(CutAbleGenerator):
 
         dx, dy = d.tile_space_x, d.tile_space_y
 
-        ttl = len(self.pans)
         step = 100 / ttl
 
-        context.scene.archipack_progress_text = "Build tiles:"
+        if d.quick_edit:
+            context.scene.archipack_progress_text = "Build tiles:"
 
         for i, pan in enumerate(self.pans):
 
@@ -1737,7 +1740,8 @@ class RoofGenerator(CutAbleGenerator):
 
                 progress = step * i + substep * k
                 # print("progress %s" % (progress))
-                context.scene.archipack_progress = progress
+                if d.quick_edit:
+                    context.scene.archipack_progress = progress
 
                 y = k * dy
 
@@ -1875,7 +1879,8 @@ class RoofGenerator(CutAbleGenerator):
             bmed.bmesh_join(context, o, [bm], normal_update=True)
             bpy.ops.object.mode_set(mode='OBJECT')
 
-        context.scene.archipack_progress = -1
+        if d.quick_edit:
+            context.scene.archipack_progress = -1
 
     def _rake(self, s, i, boundary, pan,
             width, height, altitude, offset, idmat,
@@ -2654,9 +2659,9 @@ class RoofGenerator(CutAbleGenerator):
                     x1, y1 = s.lerp(t0)
                     x2, y2 = p1
                     x3, y3 = s.lerp(t1)
-                    z0 = self.z + d.beam_alt
+                    z0 = self.z + d.beam_alt + pan.altitude(p0)
                     z1 = z0 - d.beam_height
-                    z2 = self.z + d.beam_alt
+                    z2 = self.z + d.beam_alt + pan.altitude(p1)
                     z3 = z2 - d.beam_height
                     verts.extend([
                         (x0, y0, z0),
@@ -2910,9 +2915,18 @@ class RoofGenerator(CutAbleGenerator):
 
                     s2 = pan.last_seg(i)
                     s3 = pan.next_seg(i)
-
-                    res, p0, t0 = s0.intersect(s2)
-                    res, p1, t1 = s0.intersect(s3)
+                    p0 = s0.p0
+                    p1 = s0.p1
+                    t0 = 0
+                    t1 = 1
+                    res, p, t = s0.intersect(s2)
+                    if res:
+                        t0 = t
+                        p0 = p
+                    res, p, t = s0.intersect(s3)
+                    if res:
+                        t1 = t
+                        p1 = p
 
                     p0 = s.lerp(t0)
                     p1 = s.lerp(t1)
@@ -3043,8 +3057,14 @@ class RoofGenerator(CutAbleGenerator):
                         s0 = s.offset(-2 * d.tile_couloir)
                         s1 = pan.last_seg(i)
                         s2 = pan.next_seg(i)
-                        res, p0, t = s0.intersect(s1)
-                        res, p1, t = s0.intersect(s2)
+                        p0 = s0.p0
+                        p1 = s0.p1
+                        res, p, t = s0.intersect(s1)
+                        if res:
+                            p0 = p
+                        res, p, t = s0.intersect(s2)
+                        if res:
+                            p1 = p
                         alt = self.z + d.valley_altitude
                         x0, y0 = s1.p1
                         x1, y1 = p0
@@ -3397,14 +3417,21 @@ class RoofGenerator(CutAbleGenerator):
         """
             either external or holes cuts
         """
+        to_remove = []
         for b in o.children:
             d = archipack_roof_cutter.datablock(b)
             if d is not None:
                 g = d.ensure_direction()
                 g.change_coordsys(b.matrix_world, o.matrix_world)
-                for pan in self.pans:
-                    pan.slice(g)
+                for i, pan in enumerate(self.pans):
+                    keep = pan.slice(g)
+                    if not keep:
+                        if i not in to_remove:
+                            to_remove.append(i)
                     pan.limits()
+        to_remove.sort()
+        for i in reversed(to_remove):
+            self.pans.pop(i)
 
     def draft(self, context, verts, edges):
         for pan in self.pans:
@@ -3469,7 +3496,7 @@ class ArchipackSegment():
             name="length",
             min=0.01,
             max=1000.0,
-            default=2.0,
+            default=4.0,
             update=update
             )
     a0 = FloatProperty(
@@ -3552,10 +3579,10 @@ class ArchipackLines():
 class archipack_roof_segment(ArchipackSegment, PropertyGroup):
 
     bound_idx = IntProperty(
-        default=0,
-        min=0,
-        update=update_manipulators
-        )
+            default=0,
+            min=0,
+            update=update_manipulators
+            )
     width_left = FloatProperty(
             name="L Width",
             min=0.01,
@@ -3610,31 +3637,31 @@ class archipack_roof_segment(ArchipackSegment, PropertyGroup):
             update=update
             )
     take_precedence = BoolProperty(
-        name="Take precedence",
-        description="On T segment take width precedence",
-        default=False,
-        update=update
-        )
+            name="Take precedence",
+            description="On T segment take width precedence",
+            default=False,
+            update=update
+            )
 
     constraint_type = EnumProperty(
-        items=(
-            ('HORIZONTAL', 'Horizontal', '', 0),
-            ('SLOPE', 'Slope', '', 1)
-            ),
-        default='HORIZONTAL',
-        update=update_manipulators
-        )
+            items=(
+                ('HORIZONTAL', 'Horizontal', '', 0),
+                ('SLOPE', 'Slope', '', 1)
+                ),
+            default='HORIZONTAL',
+            update=update_manipulators
+            )
 
     enforce_part = EnumProperty(
-        name="Enforce part",
-        items=(
-            ('AUTO', 'Auto', '', 0),
-            ('VALLEY', 'Valley', '', 1),
-            ('HIP', 'Hip', '', 2)
-            ),
-        default='AUTO',
-        update=update
-        )
+            name="Enforce part",
+            items=(
+                ('AUTO', 'Auto', '', 0),
+                ('VALLEY', 'Valley', '', 1),
+                ('HIP', 'Hip', '', 2)
+                ),
+            default='AUTO',
+            update=update
+            )
 
     def find_in_selection(self, context):
         """
@@ -3737,11 +3764,6 @@ class archipack_roof(ArchipackLines, ArchipackObject, Manipulable, PropertyGroup
             name="Quick Edit",
             default=True
             )
-    force_update = BoolProperty(
-            options={'SKIP_SAVE'},
-            name="Throttle",
-            default=True
-            )
 
     tile_enable = BoolProperty(
             name="Enable",
@@ -4223,51 +4245,51 @@ class archipack_roof(ArchipackLines, ArchipackObject, Manipulable, PropertyGroup
             )
 
     t_parent = StringProperty(
-        name="Parent",
-        default="",
-        update=update_parent
-        )
+            name="Parent",
+            default="",
+            update=update_parent
+            )
     t_part = IntProperty(
-        name="Part",
-        description="Parent part index",
-        default=0,
-        min=0,
-        update=update_cutter
-        )
+            name="Part",
+            description="Parent part index",
+            default=0,
+            min=0,
+            update=update_cutter
+            )
     t_dist_x = FloatProperty(
-        name="Dist x",
-        description="Location on axis ",
-        default=0,
-        update=update_cutter
-        )
+            name="Dist x",
+            description="Location on axis ",
+            default=0,
+            update=update_cutter
+            )
     t_dist_y = FloatProperty(
-        name="Dist y",
-        description="Lateral distance from axis",
-        min=0.0001,
-        default=0.0001,
-        update=update_cutter
-        )
+            name="Dist y",
+            description="Lateral distance from axis",
+            min=0.0001,
+            default=0.0001,
+            update=update_cutter
+            )
 
     hole_offset_left = FloatProperty(
-        name="Left",
-        description="Left distance from border",
-        min=0,
-        default=0,
-        update=update_cutter
-        )
+            name="Left",
+            description="Left distance from border",
+            min=0,
+            default=0,
+            update=update_cutter
+            )
     hole_offset_right = FloatProperty(
-        name="Right",
-        description="Right distance from border",
-        min=0,
-        default=0,
-        update=update_cutter
-        )
+            name="Right",
+            description="Right distance from border",
+            min=0,
+            default=0,
+            update=update_cutter
+            )
     hole_offset_front = FloatProperty(
-        name="Front",
-        description="Front distance from border",
-        default=0,
-        update=update_cutter
-        )
+            name="Front",
+            description="Front distance from border",
+            default=0,
+            update=update_cutter
+            )
 
     def make_wall_fit(self, context, o, wall, inside=False):
         origin = Vector((0, 0, self.z))
@@ -5007,6 +5029,12 @@ class ARCHIPACK_OT_roof(ArchipackCreateTool, Operator):
         o.select = True
         context.scene.objects.active = o
         self.add_material(o)
+
+        # disable progress bar when
+        # background render thumbs
+        if not self.auto_manipulate:
+            d.quick_edit = False
+
         self.load_preset(d)
         return o
 
@@ -5335,7 +5363,7 @@ class ARCHIPACK_OT_roof_preset(ArchipackPreset, Operator):
 
     @property
     def blacklist(self):
-        return ['n_parts', 'parts', 'manipulators', 'user_defined_path']
+        return ['n_parts', 'parts', 'manipulators', 'user_defined_path', 'quick_edit', 'draft']
 
 
 def register():
diff --git a/archipack/archipack_thumbs.py b/archipack/archipack_thumbs.py
new file mode 100644
index 00000000..5b14e91b
--- /dev/null
+++ b/archipack/archipack_thumbs.py
@@ -0,0 +1,183 @@
+# -*- coding:utf-8 -*-
+
+# ##### BEGIN GPL LICENSE BLOCK #####
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version 2
+#  of the License, or (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software Foundation,
+#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110- 1301, USA.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+# <pep8 compliant>
+
+# ----------------------------------------------------------
+# Author: Stephen Leger (s-leger)
+# Inspired by Asset-Flinguer
+# ----------------------------------------------------------
+import sys
+from mathutils import Vector
+import bpy
+
+
+def log(s):
+    print("[log]" + s)
+
+
+def generateThumb(context, cls, preset):
+    log("### RENDER THUMB ############################")
+    log("Start generating: " + cls)
+
+    # engine settings
+    context.scene.render.engine = 'CYCLES'
+    render = context.scene.cycles
+    render.progressive = 'PATH'
+    render.samples = 24
+    render.use_square_samples = True
+    render.preview_samples = 24
+    render.aa_samples = 24
+    render.transparent_max_bounces = 8
+    render.transparent_min_bounces = 8
+    render.transmission_bounces = 8
+    render.max_bounces = 8
+    render.min_bounces = 6
+    render.caustics_refractive = False
+    render.caustics_reflective = False
+    render.use_transparent_shadows = True
+    render.diffuse_bounces = 1
+    render.glossy_bounces = 4
+    bpy.ops.object.select_all(action="SELECT")
+    bpy.ops.object.delete()
+    # create object, loading preset
+    getattr(bpy.ops.archipack, cls)('INVOKE_DEFAULT', filepath=preset, auto_manipulate=False)
+
+    o = context.active_object
+    size = o.dimensions
+    x, y, z = o.bound_box[0]
+    min_x = x
+    min_y = y
+    min_z = z
+    x, y, z = o.bound_box[6]
+    max_x = x
+    max_y = y
+    max_z = z
+    center = Vector((
+        min_x + 0.5 * (max_x - min_x),
+        min_y + 0.5 * (max_y - min_y),
+        min_z + 0.5 * (max_z - min_z)))
+
+    # oposite / tan (0.5 * fov)  where fov is 49.134 deg
+    dist = max(size) / 0.32
+    loc = center + dist * Vector((0.5, -1, 0.5)).normalized()
+
+    log("Prepare camera")
+    bpy.ops.object.camera_add(view_align=True,
+        enter_editmode=False,
+        location=loc,
+        rotation=(1.150952, 0.0, 0.462509))
+    cam = context.active_object
+    cam.data.lens = 50
+    cam.select = True
+    context.scene.camera = cam
+
+    bpy.ops.object.select_all(action="DESELECT")
+    o.select = True
+    bpy.ops.view3d.camera_to_view_selected()
+
+    log("Prepare scene")
+    # add plane
+    bpy.ops.mesh.primitive_plane_add(
+        radius=1000,
+        view_align=False,
+        enter_editmode=False,
+        location=(0, 0, 0)
+        )
+    p = context.active_object
+    m = bpy.data.materials.new("Plane")
+    m.use_nodes = True
+    m.node_tree.nodes[1].inputs[0].default_value = (1, 1, 1, 1)
+    p.data.materials.append(m)
+
+    # add 3 lights
+    bpy.ops.object.lamp_add(
+        type='POINT',
+        radius=1,
+        view_align=False,
+        location=(3.69736, -7, 6.0))
+    l = context.active_object
+    l.data.use_nodes = True
+    tree = l.data.node_tree
+    nodes = l.data.node_tree.nodes
+    emit = nodes["Emission"]
+    emit.inputs[1].default_value = 2000.0
+
+    bpy.ops.object.lamp_add(
+        type='POINT',
+        radius=1,
+        view_align=False,
+        location=(9.414563179016113, 5.446230888366699, 5.903861999511719))
+    l = context.active_object
+    l.data.use_nodes = True
+    tree = l.data.node_tree
+    nodes = l.data.node_tree.nodes
+    emit = nodes["Emission"]
+    falloff = nodes.new(type="ShaderNodeLightFalloff")
+    falloff.inputs[0].default_value = 5
+    tree.links.new(falloff.outputs[2], emit.inputs[1])
+
+    bpy.ops.object.lamp_add(
+        type='POINT',
+        radius=1,
+        view_align=False,
+        location=(-7.847615718841553, 1.03135085105896, 5.903861999511719))
+    l = context.active_object
+    l.data.use_nodes = True
+    tree = l.data.node_tree
+    nodes = l.data.node_tree.nodes
+    emit = nodes["Emission"]
+    falloff = nodes.new(type="ShaderNodeLightFalloff")
+    falloff.inputs[0].default_value = 5
+    tree.links.new(falloff.outputs[2], emit.inputs[1])
+
+    # Set output filename.
+    render = context.scene.render
+    render.filepath = preset[:-3] + ".png"
+    render.use_file_extension = True
+    render.use_overwrite = True
+    render.use_compositing = False
+    render.use_sequencer = False
+    render.resolution_x = 150
+    render.resolution_y = 100
+    render.resolution_percentage = 100
+    # render.image_settings.file_format = 'PNG'
+    # render.image_settings.color_mode = 'RGBA'
+    # render.image_settings.color_depth = '8'
+
+    # Configure output size.
+    log("Render")
+
+    # Render thumbnail
+    bpy.ops.render.render(write_still=True)
+
+    log("### COMPLETED ############################")
+
+
+preset = ""
+
+for arg in sys.argv:
+    if arg.startswith("cls:"):
+        cls = arg[4:]
+    if arg.startswith("preset:"):
+        preset = arg[7:]
+
+
+generateThumb(bpy.context, cls, preset)
diff --git a/archipack/_presets/archipack_door/160x200_dual.py b/archipack/presets/archipack_door/160x200_dual.py
index 7a9e5ebc..7a9e5ebc 100644
--- a/archipack/_presets/archipack_door/160x200_dual.py
+++ b/archipack/presets/archipack_door/160x200_dual.py
diff --git a/archipack/_presets/archipack_door/400x240_garage.py b/archipack/presets/archipack_door/400x240_garage.py
index 2060cc3b..2060cc3b 100644
--- a/archipack/_presets/archipack_door/400x240_garage.py
+++ b/archipack/presets/archipack_door/400x240_garage.py
diff --git a/archipack/_presets/archipack_door/80x200.py b/archipack/presets/archipack_door/80x200.py
index a29e3ddc..a29e3ddc 100644
--- a/archipack/_presets/archipack_door/80x200.py
+++ b/archipack/presets/archipack_door/80x200.py
diff --git a/archipack/_presets/archipack_fence/glass_panels.py b/archipack/presets/archipack_fence/glass_panels.py
index 2d150b71..2d150b71 100644
--- a/archipack/_presets/archipack_fence/glass_panels.py
+++ b/archipack/presets/archipack_fence/glass_panels.py
diff --git a/archipack/_presets/archipack_fence/inox_glass_concrete.py b/archipack/presets/archipack_fence/inox_glass_concrete.py
index 80d3fb6c..80d3fb6c 100644
--- a/archipack/_presets/archipack_fence/inox_glass_concrete.py
+++ b/archipack/presets/archipack_fence/inox_glass_concrete.py
diff --git a/archipack/_presets/archipack_fence/metal.py b/archipack/presets/archipack_fence/metal.py
index 5e7ecbfd..5e7ecbfd 100644
--- a/archipack/_presets/archipack_fence/metal.py
+++ b/archipack/presets/archipack_fence/metal.py
diff --git a/archipack/_presets/archipack_fence/metal_glass.py b/archipack/presets/archipack_fence/metal_glass.py
index fb5149cb..fb5149cb 100644
--- a/archipack/_presets/archipack_fence/metal_glass.py
+++ b/archipack/presets/archipack_fence/metal_glass.py
diff --git a/archipack/_presets/archipack_fence/wood.py b/archipack/presets/archipack_fence/wood.py
index 9a9a42d9..9a9a42d9 100644
--- a/archipack/_presets/archipack_fence/wood.py
+++ b/archipack/presets/archipack_fence/wood.py
diff --git a/archipack/_presets/archipack_floor/boards_200x20.py b/archipack/presets/archipack_floor/boards_200x20.py
index 0ec933a5..d256cf42 100644
--- a/archipack/_presets/archipack_floor/boards_200x20.py
+++ b/archipack/presets/archipack_floor/boards_200x20.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_floor[0]
+bpy.ops.archipack.material(category='floor', material='DEFAULT')
 d.add_grout = False
 d.bevel = False
 d.bevel_amount = 0.001
diff --git a/archipack/_presets/archipack_floor/herringbone_50x10.py b/archipack/presets/archipack_floor/herringbone_50x10.py
index 33acfa23..5e12e365 100644
--- a/archipack/_presets/archipack_floor/herringbone_50x10.py
+++ b/archipack/presets/archipack_floor/herringbone_50x10.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_floor[0]
+bpy.ops.archipack.material(category='floor', material='DEFAULT')
 d.add_grout = False
 d.bevel = False
 d.bevel_amount = 0.001
diff --git a/archipack/_presets/archipack_floor/herringbone_p_50x10.py b/archipack/presets/archipack_floor/herringbone_p_50x10.py
index 03a68ec9..15946169 100644
--- a/archipack/_presets/archipack_floor/herringbone_p_50x10.py
+++ b/archipack/presets/archipack_floor/herringbone_p_50x10.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_floor[0]
+bpy.ops.archipack.material(category='floor', material='DEFAULT')
 d.add_grout = False
 d.bevel = False
 d.bevel_amount = 0.001
diff --git a/archipack/_presets/archipack_floor/hexagon_10.py b/archipack/presets/archipack_floor/hexagon_10.py
index d8db8bef..5e0b7ce5 100644
--- a/archipack/_presets/archipack_floor/hexagon_10.py
+++ b/archipack/presets/archipack_floor/hexagon_10.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_floor[0]
+bpy.ops.archipack.material(category='floor', material='TILES')
 d.add_grout = True
 d.bevel = True
 d.bevel_amount = 0.0015
@@ -23,7 +24,7 @@ d.thickness_variance = 25.0
 d.tile_length = 0.3
 d.tile_width = 0.1
 d.vary_length = False
-d.vary_materials = False
+d.vary_materials = True
 d.vary_thickness = False
 d.vary_width = False
 d.width_spacing = 0.002
diff --git a/archipack/_presets/archipack_floor/hopscotch_30x30.py b/archipack/presets/archipack_floor/hopscotch_30x30.py
index 189c9b48..b662a0e3 100644
--- a/archipack/_presets/archipack_floor/hopscotch_30x30.py
+++ b/archipack/presets/archipack_floor/hopscotch_30x30.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_floor[0]
+bpy.ops.archipack.material(category='floor', material='TILES')
 d.add_grout = True
 d.bevel = True
 d.bevel_amount = 0.0015
@@ -23,7 +24,7 @@ d.thickness_variance = 25.0
 d.tile_length = 0.3
 d.tile_width = 0.3
 d.vary_length = False
-d.vary_materials = False
+d.vary_materials = True
 d.vary_thickness = False
 d.vary_width = False
 d.width_spacing = 0.002
diff --git a/archipack/_presets/archipack_floor/parquet_15x3.py b/archipack/presets/archipack_floor/parquet_15x3.py
index 2e62961a..e7ee7c00 100644
--- a/archipack/_presets/archipack_floor/parquet_15x3.py
+++ b/archipack/presets/archipack_floor/parquet_15x3.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_floor[0]
+bpy.ops.archipack.material(category='floor', material='DEFAULT')
 d.add_grout = False
 d.bevel = False
 d.bevel_amount = 0.001
diff --git a/archipack/_presets/archipack_floor/stepping_stone_30x30.py b/archipack/presets/archipack_floor/stepping_stone_30x30.py
index db85715d..bace036f 100644
--- a/archipack/_presets/archipack_floor/stepping_stone_30x30.py
+++ b/archipack/presets/archipack_floor/stepping_stone_30x30.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_floor[0]
+bpy.ops.archipack.material(category='floor', material='TILES')
 d.add_grout = True
 d.bevel = True
 d.bevel_amount = 0.0015
@@ -23,7 +24,7 @@ d.thickness_variance = 25.0
 d.tile_length = 0.3
 d.tile_width = 0.3
 d.vary_length = False
-d.vary_materials = False
+d.vary_materials = True
 d.vary_thickness = False
 d.vary_width = False
 d.width_spacing = 0.002
diff --git a/archipack/_presets/archipack_floor/tile_30x60.py b/archipack/presets/archipack_floor/tile_30x60.py
index af92cd68..091b3d0e 100644
--- a/archipack/_presets/archipack_floor/tile_30x60.py
+++ b/archipack/presets/archipack_floor/tile_30x60.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_floor[0]
+bpy.ops.archipack.material(category='floor', material='TILES')
 d.add_grout = True
 d.bevel = True
 d.bevel_amount = 0.0015
@@ -23,7 +24,7 @@ d.thickness_variance = 25.0
 d.tile_length = 0.3
 d.tile_width = 0.6
 d.vary_length = False
-d.vary_materials = False
+d.vary_materials = True
 d.vary_thickness = False
 d.vary_width = False
 d.width_spacing = 0.002
diff --git a/archipack/_presets/archipack_floor/windmill_30x30.py b/archipack/presets/archipack_floor/windmill_30x30.py
index 8a690a1a..753a2de6 100644
--- a/archipack/_presets/archipack_floor/windmill_30x30.py
+++ b/archipack/presets/archipack_floor/windmill_30x30.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_floor[0]
+bpy.ops.archipack.material(category='floor', material='TILES')
 d.add_grout = True
 d.bevel = True
 d.bevel_amount = 0.0015
@@ -23,7 +24,7 @@ d.thickness_variance = 25.0
 d.tile_length = 0.3
 d.tile_width = 0.3
 d.vary_length = False
-d.vary_materials = False
+d.vary_materials = True
 d.vary_thickness = False
 d.vary_width = False
 d.width_spacing = 0.002
diff --git a/archipack/_presets/archipack_materials/door.txt b/archipack/presets/archipack_materials/door.txt
index 18951498..18951498 100644
--- a/archipack/_presets/archipack_materials/door.txt
+++ b/archipack/presets/archipack_materials/door.txt
diff --git a/archipack/_presets/archipack_materials/fence.txt b/archipack/presets/archipack_materials/fence.txt
index 00827582..00827582 100644
--- a/archipack/_presets/archipack_materials/fence.txt
+++ b/archipack/presets/archipack_materials/fence.txt
diff --git a/archipack/presets/archipack_materials/floor.txt b/archipack/presets/archipack_materials/floor.txt
new file mode 100644
index 00000000..ad94757c
--- /dev/null
+++ b/archipack/presets/archipack_materials/floor.txt
@@ -0,0 +1,22 @@
+DEFAULT##|##Floor_grout
+DEFAULT##|##Floor_alt1
+DEFAULT##|##Floor_alt2
+DEFAULT##|##Floor_alt3
+DEFAULT##|##Floor_alt4
+DEFAULT##|##Floor_alt5
+DEFAULT##|##Floor_alt6
+DEFAULT##|##Floor_alt7
+DEFAULT##|##Floor_alt8
+DEFAULT##|##Floor_alt9
+DEFAULT##|##Floor_alt10
+TILES##|##Floor_grout
+TILES##|##Floor_tiles_alt1
+TILES##|##Floor_tiles_alt2
+TILES##|##Floor_tiles_alt3
+TILES##|##Floor_tiles_alt4
+TILES##|##Floor_tiles_alt5
+TILES##|##Floor_tiles_alt6
+TILES##|##Floor_alt7
+TILES##|##Floor_alt8
+TILES##|##Floor_alt9
+TILES##|##Floor_alt10
\ No newline at end of file
diff --git a/archipack/_presets/archipack_materials/handle.txt b/archipack/presets/archipack_materials/handle.txt
index 458cb1c2..458cb1c2 100644
--- a/archipack/_presets/archipack_materials/handle.txt
+++ b/archipack/presets/archipack_materials/handle.txt
diff --git a/archipack/presets/archipack_materials/roof.txt b/archipack/presets/archipack_materials/roof.txt
new file mode 100644
index 00000000..1527ea78
--- /dev/null
+++ b/archipack/presets/archipack_materials/roof.txt
@@ -0,0 +1,49 @@
+DEFAULT##|##Roof_sheeting
+DEFAULT##|##Roof_rakes
+DEFAULT##|##Roof_eaves
+DEFAULT##|##Roof_ridge
+DEFAULT##|##Roof_rafter
+DEFAULT##|##Roof_valley
+DEFAULT##|##Roof_hip_tiles
+DEFAULT##|##Roof_tiles
+DEFAULT##|##Roof_tiles2
+DEFAULT##|##Roof_tiles3
+DEFAULT##|##Roof_tiles4
+DEFAULT##|##Roof_tiles5
+STONE##|##Roof_sheeting
+STONE##|##Roof_rakes
+STONE##|##Roof_eaves
+STONE##|##Roof_ridge
+STONE##|##Roof_rafter
+STONE##|##Roof_valley
+STONE##|##Roof_hip_stone
+STONE##|##Roof_tiles_stone
+STONE##|##Roof_tiles_stone2
+STONE##|##Roof_tiles_stone3
+STONE##|##Roof_tiles_stone4
+STONE##|##Roof_tiles_stone5
+BLACK##|##Roof_sheeting
+BLACK##|##Roof_rakes
+BLACK##|##Roof_eaves
+BLACK##|##Roof_ridge
+BLACK##|##Roof_rafter
+BLACK##|##Roof_valley
+BLACK##|##Roof_hip_black
+BLACK##|##Roof_tiles_black
+BLACK##|##Roof_tiles_black2
+BLACK##|##Roof_tiles_black3
+BLACK##|##Roof_tiles_black4
+BLACK##|##Roof_tiles_black5
+METAL##|##Roof_sheeting
+METAL##|##Roof_rakes
+METAL##|##Roof_eaves
+METAL##|##Roof_ridge
+METAL##|##Roof_rafter
+METAL##|##Roof_valley
+METAL##|##Roof_hip_metal
+METAL##|##Roof_metal
+METAL##|##Roof_metal2
+METAL##|##Roof_metal3
+METAL##|##Roof_metal4
+METAL##|##Roof_metal5
+
diff --git a/archipack/_presets/archipack_materials/slab.txt b/archipack/presets/archipack_materials/slab.txt
index 8d3490fe..8d3490fe 100644
--- a/archipack/_presets/archipack_materials/slab.txt
+++ b/archipack/presets/archipack_materials/slab.txt
diff --git a/archipack/_presets/archipack_materials/stair.txt b/archipack/presets/archipack_materials/stair.txt
index 44966d35..44966d35 100644
--- a/archipack/_presets/archipack_materials/stair.txt
+++ b/archipack/presets/archipack_materials/stair.txt
diff --git a/archipack/_presets/archipack_materials/truss.txt b/archipack/presets/archipack_materials/truss.txt
index 00718d4b..00718d4b 100644
--- a/archipack/_presets/archipack_materials/truss.txt
+++ b/archipack/presets/archipack_materials/truss.txt
diff --git a/archipack/_presets/archipack_materials/wall2.txt b/archipack/presets/archipack_materials/wall2.txt
index 789c285d..789c285d 100644
--- a/archipack/_presets/archipack_materials/wall2.txt
+++ b/archipack/presets/archipack_materials/wall2.txt
diff --git a/archipack/_presets/archipack_materials/window.txt b/archipack/presets/archipack_materials/window.txt
index 8f5f8575..8f5f8575 100644
--- a/archipack/_presets/archipack_materials/window.txt
+++ b/archipack/presets/archipack_materials/window.txt
diff --git a/archipack/_presets/archipack_roof/braas_1.py b/archipack/presets/archipack_roof/braas_1.py
index 5ba9e6c6..442eb450 100644
--- a/archipack/_presets/archipack_roof/braas_1.py
+++ b/archipack/presets/archipack_roof/braas_1.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_roof[0]
+bpy.ops.archipack.material(category='roof', material='DEFAULT')
 d.tile_model = 'BRAAS1'
 d.tile_size_z = 0.05
 d.tile_border = 0.0
diff --git a/archipack/_presets/archipack_roof/braas_2.py b/archipack/presets/archipack_roof/braas_2.py
index bd573c8e..f027ca95 100644
--- a/archipack/_presets/archipack_roof/braas_2.py
+++ b/archipack/presets/archipack_roof/braas_2.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_roof[0]
+bpy.ops.archipack.material(category='roof', material='DEFAULT')
 d.tile_model = 'BRAAS2'
 d.tile_size_z = 0.05
 d.tile_border = 0.0
diff --git a/archipack/_presets/archipack_roof/eternit.py b/archipack/presets/archipack_roof/eternit.py
index 033cbf11..697df83b 100644
--- a/archipack/_presets/archipack_roof/eternit.py
+++ b/archipack/presets/archipack_roof/eternit.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_roof[0]
+bpy.ops.archipack.material(category='roof', material='BLACK')
 d.tile_model = 'ETERNIT'
 d.tile_size_z = 0.01
 d.tile_border = 0.0
diff --git a/archipack/_presets/archipack_roof/lauze.py b/archipack/presets/archipack_roof/lauze.py
index 987d55bc..5b71b871 100644
--- a/archipack/_presets/archipack_roof/lauze.py
+++ b/archipack/presets/archipack_roof/lauze.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_roof[0]
+bpy.ops.archipack.material(category='roof', material='STONE')
 d.tile_model = 'LAUZE'
 d.tile_size_z = 0.04
 d.tile_border = 0.0
diff --git a/archipack/_presets/archipack_roof/metal.py b/archipack/presets/archipack_roof/metal.py
index 33d35f66..35f8f1e6 100644
--- a/archipack/_presets/archipack_roof/metal.py
+++ b/archipack/presets/archipack_roof/metal.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_roof[0]
+bpy.ops.archipack.material(category='roof', material='METAL')
 d.tile_side = 0.0
 d.hip_alt = 0.07
 d.tile_fit_y = False
diff --git a/archipack/_presets/archipack_roof/ondule.py b/archipack/presets/archipack_roof/ondule.py
index 68be8fa4..f5592478 100644
--- a/archipack/_presets/archipack_roof/ondule.py
+++ b/archipack/presets/archipack_roof/ondule.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_roof[0]
+bpy.ops.archipack.material(category='roof', material='METAL')
 d.tile_side = 0.0
 d.hip_alt = 0.07
 d.tile_fit_y = False
diff --git a/archipack/_presets/archipack_roof/roman.py b/archipack/presets/archipack_roof/roman.py
index 6f3849dd..92e2c1ef 100644
--- a/archipack/_presets/archipack_roof/roman.py
+++ b/archipack/presets/archipack_roof/roman.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_roof[0]
+bpy.ops.archipack.material(category='roof', material='DEFAULT')
 d.tile_model = 'ROMAN'
 d.tile_size_z = 0.16
 d.tile_border = 0.0
diff --git a/archipack/_presets/archipack_roof/round.py b/archipack/presets/archipack_roof/round.py
index 8da9a049..4705348e 100644
--- a/archipack/_presets/archipack_roof/round.py
+++ b/archipack/presets/archipack_roof/round.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_roof[0]
+bpy.ops.archipack.material(category='roof', material='DEFAULT')
 d.tile_model = 'ROUND'
 d.tile_size_z = 0.02
 d.tile_border = 0.0
diff --git a/archipack/_presets/archipack_roof/square.py b/archipack/presets/archipack_roof/square.py
index a26a15a8..edfa3848 100644
--- a/archipack/_presets/archipack_roof/square.py
+++ b/archipack/presets/archipack_roof/square.py
@@ -1,5 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_roof[0]
+bpy.ops.archipack.material(category='roof', material='BLACK')
 d.tile_model = 'PLACEHOLDER'
 d.tile_size_z = 0.01
 d.tile_border = 0.0
diff --git a/archipack/_presets/archipack_stair/i_wood_over_concrete.py b/archipack/presets/archipack_stair/i_wood_over_concrete.py
index 53b605cf..53b605cf 100644
--- a/archipack/_presets/archipack_stair/i_wood_over_concrete.py
+++ b/archipack/presets/archipack_stair/i_wood_over_concrete.py
diff --git a/archipack/_presets/archipack_stair/l_wood_over_concrete.py b/archipack/presets/archipack_stair/l_wood_over_concrete.py
index d4fc1344..d4fc1344 100644
--- a/archipack/_presets/archipack_stair/l_wood_over_concrete.py
+++ b/archipack/presets/archipack_stair/l_wood_over_concrete.py
diff --git a/archipack/_presets/archipack_stair/o_wood_over_concrete.py b/archipack/presets/archipack_stair/o_wood_over_concrete.py
index 586aa990..586aa990 100644
--- a/archipack/_presets/archipack_stair/o_wood_over_concrete.py
+++ b/archipack/presets/archipack_stair/o_wood_over_concrete.py
diff --git a/archipack/_presets/archipack_stair/u_wood_over_concrete.py b/archipack/presets/archipack_stair/u_wood_over_concrete.py
index ba16dde5..b523dcde 100644
--- a/archipack/_presets/archipack_stair/u_wood_over_concrete.py
+++ b/archipack/presets/archipack_stair/u_wood_over_concrete.py
@@ -1,6 +1,6 @@
 import bpy
 d = bpy.context.active_object.data.archipack_stair[0]
-d.auto_update = False
+
 d.steps_type = 'CLOSED'
 d.handrail_slice_right = True
 d.total_angle = 6.2831854820251465
diff --git a/archipack/_presets/archipack_window/120x110_flat_2.py b/archipack/presets/archipack_window/120x110_flat_2.py
index 7c7dcf9b..7c7dcf9b 100644
--- a/archipack/_presets/archipack_window/120x110_flat_2.py
+++ b/archipack/presets/archipack_window/120x110_flat_2.py
diff --git a/archipack/_presets/archipack_window/120x110_flat_2_elliptic.py b/archipack/presets/archipack_window/120x110_flat_2_elliptic.py
index 312f7299..312f7299 100644
--- a/archipack/_presets/archipack_window/120x110_flat_2_elliptic.py
+++ b/archipack/presets/archipack_window/120x110_flat_2_elliptic.py
diff --git a/archipack/_presets/archipack_window/120x110_flat_2_oblique.py b/archipack/presets/archipack_window/120x110_flat_2_oblique.py
index 010b4073..010b4073 100644
--- a/archipack/_presets/archipack_window/120x110_flat_2_oblique.py
+++ b/archipack/presets/archipack_window/120x110_flat_2_oblique.py
diff --git a/archipack/_presets/archipack_window/120x110_flat_2_round.py b/archipack/presets/archipack_window/120x110_flat_2_round.py
index 3d0fd325..3d0fd325 100644
--- a/archipack/_presets/archipack_window/120x110_flat_2_round.py
+++ b/archipack/presets/archipack_window/120x110_flat_2_round.py
diff --git a/archipack/_presets/archipack_window/180x110_flat_3.py b/archipack/presets/archipack_window/180x110_flat_3.py
index 3ae2748a..3ae2748a 100644
--- a/archipack/_presets/archipack_window/180x110_flat_3.py
+++ b/archipack/presets/archipack_window/180x110_flat_3.py
diff --git a/archipack/_presets/archipack_window/180x210_flat_3.py b/archipack/presets/archipack_window/180x210_flat_3.py
index df26b7a5..df26b7a5 100644
--- a/archipack/_presets/archipack_window/180x210_flat_3.py
+++ b/archipack/presets/archipack_window/180x210_flat_3.py
diff --git a/archipack/_presets/archipack_window/180x210_rail_2.py b/archipack/presets/archipack_window/180x210_rail_2.py
index d9f2cb89..d9f2cb89 100644
--- a/archipack/_presets/archipack_window/180x210_rail_2.py
+++ b/archipack/presets/archipack_window/180x210_rail_2.py
diff --git a/archipack/_presets/archipack_window/240x210_rail_3.py b/archipack/presets/archipack_window/240x210_rail_3.py
index 4cec930b..4cec930b 100644
--- a/archipack/_presets/archipack_window/240x210_rail_3.py
+++ b/archipack/presets/archipack_window/240x210_rail_3.py
diff --git a/archipack/_presets/archipack_window/80x80_flat_1.py b/archipack/presets/archipack_window/80x80_flat_1.py
index caf2980b..caf2980b 100644
--- a/archipack/_presets/archipack_window/80x80_flat_1.py
+++ b/archipack/presets/archipack_window/80x80_flat_1.py
diff --git a/archipack/_presets/archipack_window/80x80_flat_1_circle.py b/archipack/presets/archipack_window/80x80_flat_1_circle.py
index 18f5c8bc..18f5c8bc 100644
--- a/archipack/_presets/archipack_window/80x80_flat_1_circle.py
+++ b/archipack/presets/archipack_window/80x80_flat_1_circle.py
diff --git a/archipack/_presets/missing.png b/archipack/presets/missing.png
index 1d3fb40e..1d3fb40e 100644
--- a/archipack/_presets/missing.png
+++ b/archipack/presets/missing.png