From 8b6b192dac3e6e7e2ae9741bae04f04b19ae3a8c Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Sun, 1 Feb 2015 12:18:18 +0100
Subject: [PATCH] Throw an error for first_layer_height == 0. #2605

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

diff --git a/lib/Slic3r/Config.pm b/lib/Slic3r/Config.pm
index 61d4bb97c..e2739c421 100644
--- a/lib/Slic3r/Config.pm
+++ b/lib/Slic3r/Config.pm
@@ -218,6 +218,8 @@ sub validate {
     # --first-layer-height
     die "Invalid value for --first-layer-height\n"
         if $self->first_layer_height !~ /^(?:\d*(?:\.\d+)?)%?$/;
+    die "Invalid value for --first-layer-height\n"
+        if $self->get_value('first_layer_height') <= 0;
     
     # --filament-diameter
     die "Invalid value for --filament-diameter\n"