From 44feeab7e68d94dcbd1dd0abe459029238d2249b Mon Sep 17 00:00:00 2001
From: Garth Minette <revarbat@gmail.com>
Date: Mon, 21 Jun 2021 00:37:31 -0700
Subject: [PATCH] Bugfix for path_self_intersections() with closed paths.

---
 paths.scad | 1 +
 1 file changed, 1 insertion(+)

diff --git a/paths.scad b/paths.scad
index 2c3a2b3..88d9ec7 100644
--- a/paths.scad
+++ b/paths.scad
@@ -682,6 +682,7 @@ function path_self_intersections(path, closed=true, eps=EPSILON) =
                     u = ((e.x*c.y)-(e.y*c.x)) / denom
                 ) [a1+t*(a2-a1), t, u]
         ) if (
+            (!closed || i!=0 || j!=plen-1) &&
             isect != undef &&
             isect[1]>=-eps && isect[1]<=1+eps &&
             isect[2]>=-eps && isect[2]<=1+eps