diff --git a/src/_impl/_shape_star_impl.scad b/src/_impl/_shape_star_impl.scad
index 08f956e1..54e8cb64 100644
--- a/src/_impl/_shape_star_impl.scad
+++ b/src/_impl/_shape_star_impl.scad
@@ -1,20 +1,22 @@
 function __outer_points_shape_star(r1, r2, n) = 
-    let(
-        a = 360 / n
-    )
-    [for(i = 0; i < n; i = i + 1) [r1 * cos(90 + a * i), r1 * sin(90 + a * i)]];
+    let(a_step = 360 / n)
+    [
+        for(i = 0; i < n; i = i + 1) 
+        let(a = 90 + a_step * i)
+        [r1 * cos(a), r1 * sin(a)]
+    ];
 
 function __inner_points_shape_star(r1, r2, n) = 
-    let (
-        a = 360 / n,
-        half_a = a / 2
-    )
-    [for(i = 0; i < n; i = i + 1) [r2 * cos(90 + a * i + half_a), r2 * sin(90 + a * i + half_a)]];
+    let(a_step = 360 / n)
+    [
+        for(i = 0; i < n; i = i + 1) 
+        let(a = 90 + a_step * (i + 0.5))
+        [r2 * cos(a), r2 * sin(a)]
+    ];
     
 function _shape_star_impl(r1, r2, n) = 
-   let(
+    let(
        outer_points = __outer_points_shape_star(r1, r2, n),
-       inner_points = __inner_points_shape_star(r1, r2, n),
-       leng = len(outer_points)
+       inner_points = __inner_points_shape_star(r1, r2, n)
     )
-   [for(i = 0; i < leng; i = i + 1) each [outer_points[i], inner_points[i]]];
\ No newline at end of file
+   [for(i = [0:len(outer_points) - 1]) each [outer_points[i], inner_points[i]]];
\ No newline at end of file