From 66adb05ad980f05b39869a234ccef3107d686855 Mon Sep 17 00:00:00 2001
From: Werner Almesberger <werner@almesberger.net>
Date: Tue, 29 Sep 2015 16:48:28 -0300
Subject: [PATCH] sl2/slicer.pl: use same Z offset calculation as slicer.py

Else, we don't mill into the workpiece but into its support.
---
 sl2/slicer.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sl2/slicer.pl b/sl2/slicer.pl
index 808fe4c..8be80a8 100755
--- a/sl2/slicer.pl
+++ b/sl2/slicer.pl
@@ -117,7 +117,7 @@ $height = $zmax - $zmin unless defined $height;
 
 # align with bottom (zmin == 0), z_pos = height - zoff
 
-$z_off = -$zmin - $height;
+$z_off = -$zmin;
 $z_pos = $height + $zmin;