From 2a63ae383a8639e8b20412e4019be9af33ddde1d Mon Sep 17 00:00:00 2001
From: Val Erastov <xibyte@gmail.com>
Date: Fri, 21 Dec 2018 21:54:17 -0800
Subject: [PATCH] remove empty face in cut/extrude previewer

---
 web/app/cad/craft/cutExtrude/previewer.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/web/app/cad/craft/cutExtrude/previewer.js b/web/app/cad/craft/cutExtrude/previewer.js
index 5a198993..1f4357dd 100644
--- a/web/app/cad/craft/cutExtrude/previewer.js
+++ b/web/app/cad/craft/cutExtrude/previewer.js
@@ -34,8 +34,10 @@ export function createPreviewGeomProvider(inversed) {
           triangles.push([base[p], base[q], lid[q]]);
           triangles.push([lid[q], lid[p], base[p]]);
         }
-        base.forEach(p => basePoints.push(p));
-        lid.forEach(p => lidPoints.push(p));
+        for (let j = 0; j < base.length - 1; j++) {
+          basePoints.push(base[j]);
+          lidPoints.push(base[j]);
+        }
       }
 
       function collectOnSurface(points, normal) {