From fcd4de00e574ed4d0f80b4392039728a209438fb Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Wed, 19 Jun 2013 18:01:24 +0200
Subject: [PATCH] One more fix for --complete-objects working on single-object
 plates

---
 lib/Slic3r/Print.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Slic3r/Print.pm b/lib/Slic3r/Print.pm
index 0fd3ddc52..d5d903746 100644
--- a/lib/Slic3r/Print.pm
+++ b/lib/Slic3r/Print.pm
@@ -197,7 +197,7 @@ sub validate {
             # ignore the tallest *copy* (this is why we repeat height for all of them):
             # it will be printed as last one so its height doesn't matter
             pop @object_height;
-            if (max(@object_height) > scale $Slic3r::Config->extruder_clearance_height) {
+            if (@object_height && max(@object_height) > scale $Slic3r::Config->extruder_clearance_height) {
                 die "Some objects are too tall and cannot be printed without extruder collisions.\n";
             }
         }