Remove the hollowed interior slices from the model slices in 2D

1 files changed, 8 insertions, 2 deletions

diff --git a/src/libslic3r/SLAPrintSteps.cpp b/src/libslic3r/SLAPrintSteps.cpp
index ff170d917..e740b7260 100644
--- a/src/libslic3r/SLAPrintSteps.cpp
+++ b/src/libslic3r/SLAPrintSteps.cpp
@@ -222,8 +222,14 @@ void SLAPrint::Steps::slice_model(SLAPrintObject &po)
     auto &slice_grid = po.m_model_height_levels;
     slicer.slice(slice_grid, SlicingMode::Regular, closing_r, &po.m_model_slices, thr);
     
-//    sla::DrainHoles drainholes = po.transformed_drainhole_points();
-//    cut_drainholes(po.m_model_slices, slice_grid, closing_r, drainholes, thr);
+    if (po.m_hollowing_data) {
+        po.m_hollowing_data->interior.repair();
+        TriangleMeshSlicer interior_slicer(&po.m_hollowing_data->interior);
+        std::vector<ExPolygons> interior_slices;
+        interior_slicer.slice(slice_grid, SlicingMode::Regular, closing_r, &interior_slices, thr);
+        for (size_t i = 0; i < slice_grid.size(); ++i)
+            po.m_model_slices[i] = diff_ex(po.m_model_slices[i], interior_slices[i]);
+    }
     
     auto mit = slindex_it;
     double doffs = m_print->m_printer_config.absolute_correction.getFloat();