From a4fc435f75e105011c3f3ce4ef8342dad751d85b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Hejl?= <hejl.lukas@gmail.com>
Date: Wed, 7 Oct 2020 15:27:18 +0200
Subject: [PATCH] Clear generated boundaries from previous layer

---
 src/libslic3r/GCode.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index b37b9e5cd..054826fc1 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -280,6 +280,7 @@ namespace Slic3r {
 
     void AvoidCrossingPerimeters2::init_layer(const Layer &layer)
     {
+        m_boundaries.clear();
         BoundingBox bbox = get_extents(layer.lslices);
         bbox.offset(SCALED_EPSILON);
         ExPolygons boundaries = get_boundary(layer);