From 153c6e7f68633b21486e9fb35bfe07367920f6c0 Mon Sep 17 00:00:00 2001
From: Enrico Turri <enricoturri@seznam.cz>
Date: Tue, 8 Jan 2019 09:10:57 +0100
Subject: [PATCH] Extended limits in z for camera target movements - Fix of
 #1589

---
 src/slic3r/GUI/GLCanvas3D.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index 8cd80ad7d..f2de33bb7 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -3979,6 +3979,12 @@ BoundingBoxf3 GLCanvas3D::scene_bounding_box() const
 {
     BoundingBoxf3 bb = volumes_bounding_box();
     bb.merge(m_bed.get_bounding_box());
+    if (m_config != nullptr)
+    {
+        double h = m_config->opt_float("max_print_height");
+        bb.min(2) = std::min(bb.min(2), -h);
+        bb.max(2) = std::max(bb.max(2), h);
+    }
     return bb;
 }