From d3b1b1f3d5ba32f784d4d3de571a48c8777660ba Mon Sep 17 00:00:00 2001
From: Lukas Matena <lukasmatena@seznam.cz>
Date: Fri, 23 Jul 2021 11:31:48 +0200
Subject: [PATCH] Fix of clipping plane for SLA supports, probably broken since
 1009f78

---
 src/libslic3r/SLAPrint.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libslic3r/SLAPrint.hpp b/src/libslic3r/SLAPrint.hpp
index e11926c7ea..0cd80f20b7 100644
--- a/src/libslic3r/SLAPrint.hpp
+++ b/src/libslic3r/SLAPrint.hpp
@@ -323,6 +323,7 @@ private:
         {
             support_tree_ptr = sla::SupportTree::create(*this, ctl);
             tree_mesh = TriangleMesh{support_tree_ptr->retrieve_mesh(sla::MeshType::Support)};
+            tree_mesh.require_shared_vertices();
             return support_tree_ptr;
         }