From 56853319d18d9e02d0294cc0608aa9f3d764b02d Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Wed, 14 Jan 2015 23:26:28 +0100
Subject: [PATCH] Restore correct Z alignment after cut

---
 lib/Slic3r/GUI/Plater/ObjectCutDialog.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Slic3r/GUI/Plater/ObjectCutDialog.pm b/lib/Slic3r/GUI/Plater/ObjectCutDialog.pm
index fb3875aa3..c0f942f12 100644
--- a/lib/Slic3r/GUI/Plater/ObjectCutDialog.pm
+++ b/lib/Slic3r/GUI/Plater/ObjectCutDialog.pm
@@ -154,6 +154,7 @@ sub perform_cut {
     $self->{new_model} = $new_model;
     $self->{new_model_objects} = [];
     if ($self->{cut_options}{keep_upper} && $upper_object->volumes_count > 0) {
+        $upper_object->center_around_origin;  # align to Z = 0
         push @{$self->{new_model_objects}}, $upper_object;
     }
     if ($self->{cut_options}{keep_lower} && $lower_object->volumes_count > 0) {