diff --git a/src/libslic3r/GCode/AvoidCrossingPerimeters.cpp b/src/libslic3r/GCode/AvoidCrossingPerimeters.cpp index 8fe30b7c1..1581eb7ad 100644 --- a/src/libslic3r/GCode/AvoidCrossingPerimeters.cpp +++ b/src/libslic3r/GCode/AvoidCrossingPerimeters.cpp @@ -84,7 +84,7 @@ Polygons AvoidCrossingPerimeters::collect_contours_all_layers(const PrintObjectP polygons_per_layer[i * 2] = union_(polys); } }); - for (size_t i = 0; i < cnt / 2; ++i) + for (size_t i = 1; i < cnt / 2; ++i) polygons_per_layer[i] = std::move(polygons_per_layer[i * 2]); if (cnt & 1) polygons_per_layer[cnt / 2] = std::move(polygons_per_layer[cnt - 1]);