From 9b0a17939e391683863b5a5f9d1168e1afa46dce Mon Sep 17 00:00:00 2001
From: Filip Sykala <filip.sykala@prusa3d.cz>
Date: Mon, 20 Sep 2021 08:53:09 +0200
Subject: [PATCH] it can be safely removed, the following if statement takes
 care of the invalid state(Enrico said)

---
 src/slic3r/GUI/3DScene.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/slic3r/GUI/3DScene.cpp b/src/slic3r/GUI/3DScene.cpp
index ba72c432d8..4dd4eb5df9 100644
--- a/src/slic3r/GUI/3DScene.cpp
+++ b/src/slic3r/GUI/3DScene.cpp
@@ -324,7 +324,6 @@ void GLVolume::SinkingContours::update()
                 if (polygon.is_clockwise())
                     polygon.reverse();
                 Polygons outer_polys = offset(polygon, float(scale_(HalfWidth)));
-                assert(outer_polys.size() == 1);
                 if (outer_polys.empty())
                     // no outer contour, skip
                     continue;