From 5e3da340aeac014d1bea6634d74e45e5fc76b639 Mon Sep 17 00:00:00 2001
From: tamasmeszaros <meszaros.q@gmail.com>
Date: Fri, 15 Oct 2021 15:32:14 +0200
Subject: [PATCH] Fix crash with some models after hole drilling

---
 src/libslic3r/MeshBoolean.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libslic3r/MeshBoolean.cpp b/src/libslic3r/MeshBoolean.cpp
index 25250e2341..e2e5e254a1 100644
--- a/src/libslic3r/MeshBoolean.cpp
+++ b/src/libslic3r/MeshBoolean.cpp
@@ -159,7 +159,7 @@ template<class _Mesh> TriangleMesh cgal_to_triangle_mesh(const _Mesh &cgalmesh)
         int i = 0;
         Vec3i facet;
         for (auto v : vtc) {
-            if (i > 2) { i = 0; break; }
+            if (i > 2 || v < 0 || v >= cgalmesh.vertices().size()) { i = 0; break; }
             facet(i++) = v;
         }