From e918ea9c65b7db75842f5947af5c1bce30a8535b Mon Sep 17 00:00:00 2001
From: bubnikv <bubnikv@gmail.com>
Date: Mon, 24 Apr 2017 09:51:24 +0200
Subject: [PATCH] Fixes Variable Layer Height issue when max_layer_height at
 its default of zero https://github.com/prusa3d/Slic3r/issues/267

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

diff --git a/lib/Slic3r/GUI/Plater/ObjectSettingsDialog.pm b/lib/Slic3r/GUI/Plater/ObjectSettingsDialog.pm
index d4cd38a08..d86765d5f 100644
--- a/lib/Slic3r/GUI/Plater/ObjectSettingsDialog.pm
+++ b/lib/Slic3r/GUI/Plater/ObjectSettingsDialog.pm
@@ -155,6 +155,7 @@ sub _clamp_layer_height
             $max_nozzle_dmr   = $nozzle_dmrs      ->[$i] if ($nozzle_dmrs      ->[$i] > $max_nozzle_dmr  );
         }
         $min_layer_height = 0.005 if ($min_layer_height < 0.005);
+        $max_layer_height = $max_nozzle_dmr * 0.75 if ($max_layer_height == 0.);
         $max_layer_height = $max_nozzle_dmr if ($max_layer_height > $max_nozzle_dmr);
         return ($value < $min_layer_height) ? $min_layer_height :
                ($value > $max_layer_height) ? $max_layer_height : $value;