From a7698b3d5b0c82fdafb3b6aed31a74d5c0794785 Mon Sep 17 00:00:00 2001
From: Michael Kirsch <mkirsch.git@gmail.com>
Date: Sun, 26 May 2019 11:53:14 +0200
Subject: [PATCH] fix discrepancy between manual (user dialog) and incremental
 (UI button) Z rotation

---
 lib/Slic3r/GUI/Plater.pm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/Slic3r/GUI/Plater.pm b/lib/Slic3r/GUI/Plater.pm
index a8b4e88a0..4cca3904f 100644
--- a/lib/Slic3r/GUI/Plater.pm
+++ b/lib/Slic3r/GUI/Plater.pm
@@ -1676,6 +1676,8 @@ sub rotate {
         $angle = Wx::GetTextFromUser("Enter the rotation angle:", "Rotate around $axis_name axis",
             $default, $self);
         return if !$angle || $angle !~ /^-?\d*(?:\.\d*)?$/ || $angle == -1;
+        
+        $angle = $angle - $default;
     }
     
     $self->stop_background_process;