From ef67883350d4ada910eb52ceac1538bba1e5b7a9 Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Wed, 24 May 2017 13:06:38 +0800
Subject: [PATCH] refactored

---
 src/bezier_curve.scad | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/bezier_curve.scad b/src/bezier_curve.scad
index 766f7a60..20f5e826 100644
--- a/src/bezier_curve.scad
+++ b/src/bezier_curve.scad
@@ -51,7 +51,9 @@ function _bezier_curve_point(t, points) =
     ];
 
 function bezier_curve(t_step, points) = 
-    concat([
-        for(t = [0: t_step: 1]) 
-            _bezier_curve_point(t, points)
-    ], [_bezier_curve_point(1, points)]);
\ No newline at end of file
+    let(
+        pts = concat([
+            for(t = [0: t_step: 1]) 
+                _bezier_curve_point(t, points)
+        ], [_bezier_curve_point(1, points)])
+    ) pts;
\ No newline at end of file