diff --git a/xs/src/libslic3r/ExPolygon.cpp b/xs/src/libslic3r/ExPolygon.cpp index e97c82532..1d4bac50b 100644 --- a/xs/src/libslic3r/ExPolygon.cpp +++ b/xs/src/libslic3r/ExPolygon.cpp @@ -553,9 +553,9 @@ BoundingBox get_extents(const ExPolygons &expolygons) { BoundingBox bbox; if (! expolygons.empty()) { - bbox = get_extents(expolygons.front()); - for (size_t i = 1; i < expolygons.size(); ++ i) - bbox.merge(get_extents(expolygons[i])); + for (size_t i = 0; i < expolygons.size(); ++ i) + if (! expolygons[i].contour.points.empty()) + bbox.merge(get_extents(expolygons[i])); } return bbox; }