From ba58e0733fffaa39e6ca6babf69a91de194ee575 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Fri, 24 Aug 2012 19:19:45 +0200
Subject: [PATCH] Avoid backwards moves when doing honeycomb infill. #492

---
 lib/Slic3r/Fill/Honeycomb.pm | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/Slic3r/Fill/Honeycomb.pm b/lib/Slic3r/Fill/Honeycomb.pm
index cbc4f61d3..229c72568 100644
--- a/lib/Slic3r/Fill/Honeycomb.pm
+++ b/lib/Slic3r/Fill/Honeycomb.pm
@@ -83,7 +83,10 @@ sub fill_surface {
         $self->cache->{$cache_id} = [@polygons];
     }
     
-    my @paths = map Slic3r::Polyline->new(@$_, $_->[0]), map @$_, @{intersection_ex(
+    # build polylines from polygons without re-appending the initial point:
+    # this cuts the last segment on purpose, so that the jump to the next 
+    # path is more straight
+    my @paths = map Slic3r::Polyline->new(@$_), map @$_, @{intersection_ex(
         $self->cache->{$cache_id},
         [ map @$_, $expolygon->offset_ex($overlap_distance) ],
     )};