From 359e7e4d32225d485c36c4733ba9f3847d5c80b5 Mon Sep 17 00:00:00 2001
From: Enrico Turri <enricoturri@seznam.cz>
Date: Fri, 13 Apr 2018 13:59:36 +0200
Subject: [PATCH] Scale down meshes of too big objects after loading them

---
 lib/Slic3r/GUI/Plater.pm | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lib/Slic3r/GUI/Plater.pm b/lib/Slic3r/GUI/Plater.pm
index c74b2d32c..ce37a1651 100644
--- a/lib/Slic3r/GUI/Plater.pm
+++ b/lib/Slic3r/GUI/Plater.pm
@@ -738,7 +738,13 @@ sub load_model_objects {
             # if the object is too large (more than 5 times the bed), scale it down
             my $size = $o->bounding_box->size;
             my $ratio = max($size->x / unscale($bed_size->x), $size->y / unscale($bed_size->y));
-            if ($ratio > 5) {
+            if ($ratio > 10000) {
+                # the size of the object is too big -> this could lead to overflow when moving to clipper coordinates,
+                # so scale down the mesh
+                $o->scale_xyz(Slic3r::Pointf3->new(1/$ratio, 1/$ratio, 1/$ratio));
+                $scaled_down = 1;
+            }
+            elsif ($ratio > 5) {
                 $_->set_scaling_factor(1/$ratio) for @{$o->instances};
                 $scaled_down = 1;
             }