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diff --git a/resources/icons/bed/sl1_bottom.png b/resources/icons/bed/sl1_bottom.png
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diff --git a/src/libslic3r/ModelArrange.cpp b/src/libslic3r/ModelArrange.cpp
index fd3cf8648..4942e35b6 100644
--- a/src/libslic3r/ModelArrange.cpp
+++ b/src/libslic3r/ModelArrange.cpp
@@ -556,29 +556,7 @@ ShapeData2D projectModelFromTop(const Slic3r::Model &model) {
             // TODO export the exact 2D projection. Cannot do it as libnest2d
             // does not support concave shapes (yet).
             ClipperLib::Path clpath;
-//WIP Vojtech's optimization of the calculation of the convex hull is not working correctly yet.
-#if 1
-            {
-                TriangleMesh rmesh = objptr->raw_mesh();
 
-                ModelInstance * finst = objptr->instances.front();
-
-                // Object instances should carry the same scaling and
-                // x, y rotation that is why we use the first instance.
-                // The next line will apply only the full mirroring and scaling
-                rmesh.transform(finst->get_matrix(true, true, false, false));
-                rmesh.rotate_x(float(finst->get_rotation()(X)));
-                rmesh.rotate_y(float(finst->get_rotation()(Y)));
-
-                 // TODO export the exact 2D projection. Cannot do it as libnest2d
-                 // does not support concave shapes (yet).
-                auto p = rmesh.convex_hull();
-
-                p.make_clockwise();
-                p.append(p.first_point());
-                clpath = Slic3rMultiPoint_to_ClipperPath(p);
-            }
-#else
             // Object instances should carry the same scaling and
             // x, y rotation that is why we use the first instance.
             {
@@ -593,7 +571,6 @@ ShapeData2D projectModelFromTop(const Slic3r::Model &model) {
                 p.append(p.first_point());
                 clpath = Slic3rMultiPoint_to_ClipperPath(p);
             }
-#endif
 
             for(ModelInstance* objinst : objptr->instances) {
                 if(objinst) {