From e9fd86721b0ee768b05e8283339814c8267b47b8 Mon Sep 17 00:00:00 2001
From: Justin Lin <caterpillar@openhome.cc>
Date: Wed, 24 May 2017 18:34:15 +0800
Subject: [PATCH] it's not a function call

---
 src/ring_extrude.scad | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ring_extrude.scad b/src/ring_extrude.scad
index a0b6d6c7..59c098d7 100644
--- a/src/ring_extrude.scad
+++ b/src/ring_extrude.scad
@@ -52,7 +52,7 @@ module ring_extrude(shape_pts, radius, angle = 360, twist = 0, scale = 1.0, tria
             
         all_points = is_angle_frag_end ? 
             pts :
-            concat(pts, [__ra_to_xy(end_r(), angles[1])]);
+            concat(pts, [__ra_to_xy(end_r, angles[1])]);
 
         polysections(
             cross_sections(shape_pts, all_points, all_angles, twist, scale),