From b0702ec00fac002c9d7ba77ad41f8d1fda75362c Mon Sep 17 00:00:00 2001
From: Michael Kirsch <mkirsch.git@gmail.com>
Date: Tue, 16 Apr 2019 22:20:53 +0200
Subject: [PATCH] change visualization to new system

---
 lib/Slic3r/GUI/3DScene.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/Slic3r/GUI/3DScene.pm b/lib/Slic3r/GUI/3DScene.pm
index d59e8da5e..d35ae8674 100644
--- a/lib/Slic3r/GUI/3DScene.pm
+++ b/lib/Slic3r/GUI/3DScene.pm
@@ -1331,8 +1331,8 @@ sub load_object {
         my $volume = $model_object->volumes->[$volume_idx];
         foreach my $instance_idx (@$instance_idxs) {
             my $instance = $model_object->instances->[$instance_idx];
-            my $mesh = $volume->mesh->clone;
-            $instance->transform_mesh($mesh);
+            my $instance_trafo = $instance->get_trafo_matrixptr();
+            my $mesh = $volume->get_transformed_meshptr($instance_trafo);
             
             my $color_idx;
             if ($self->color_by eq 'volume') {