From d5fa8807e014107f5c2e757b32e1b4a7ca38471a Mon Sep 17 00:00:00 2001
From: Justin Lin <justin.sdk@gmail.com>
Date: Wed, 20 Apr 2022 23:00:58 +0800
Subject: [PATCH] add polygon_abuse

---
 src/polygon_hull.scad | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/polygon_hull.scad b/src/polygon_hull.scad
index 300ef892..a15a57ed 100644
--- a/src/polygon_hull.scad
+++ b/src/polygon_hull.scad
@@ -10,10 +10,17 @@
 
 use <__comm__/_convex_hull2.scad>;
 
-module polygon_hull(points) {
-    poly = _convex_hull2(points);
-    polygon(poly);
-    test_convex_hull2(poly);
+module polygon_hull(points, polygon_abuse = false) {
+    if(polygon_abuse) {
+        // It's workable only because `polyhedron` doesn't complain about mis-ordered faces.
+        // It's fast but might be invalid in later versions.
+        hull() polygon(points);
+    }
+    else {
+        poly = _convex_hull2(points);
+        polygon(poly);
+        test_convex_hull2(poly);
+    }
 }
 
 module test_convex_hull2(poly) {