From 6d95a8bf9f027c43da926f355a792558e6205ee4 Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Thu, 19 Sep 2019 17:44:15 +0800
Subject: [PATCH] refactor

---
 src/helix_extrude.scad | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/helix_extrude.scad b/src/helix_extrude.scad
index e8a1efcc..1083ae18 100644
--- a/src/helix_extrude.scad
+++ b/src/helix_extrude.scad
@@ -44,7 +44,11 @@ module helix_extrude(shape_pts, radius, levels, level_dist,
     );
 
     clk_a = r_dir == 1 ? 0 : 180;
-    angles = [for(i = 0; i < len(path_points); i = i + 1) [90 + initial_angle, 0, clk_a + angle_step * i]];
+    ax = 90 + initial_angle;
+    angles = [
+        for(i = 0; i < len(path_points); i = i + 1) 
+            [ax, 0, clk_a + angle_step * i]
+    ];
     
     sections = cross_sections(shape_pts, path_points, angles, twist, scale);