Merge pull request #86 from dimo414/master

Swap deprecated assign() calls for let()

Author: hyperair

involute_gears.scad

@@ -266,13 +266,13 @@ module involute_bevel_gear_tooth (
 	{
 		for (i=[1:res])
 		{
-			assign (
+			let (
 				point1=
 					involute (base_radius*2,start_angle+(stop_angle - start_angle)*(i-1)/res),
 				point2=
 					involute (base_radius*2,start_angle+(stop_angle - start_angle)*(i)/res))
 			{
-				assign (
+				let (
 					side1_point1 = rotate_point (centre_angle, point1),
 					side1_point2 = rotate_point (centre_angle, point2),
 					side2_point1 = mirror_point (rotate_point (centre_angle, point1)),

polyholes.scad

@@ -20,7 +20,7 @@ difference() {
             translate([(i * i + i)/2 + 3 * i , 8,-1])
                 polyhole(h = 5, d = i);
 
-            assign(d = i + 0.5)
+            let(d = i + 0.5)
                 translate([(d * d + d)/2 + 3 * d, 19,-1])
                     polyhole(h = 5, d = d);
         }

screw.scad

@@ -48,7 +48,7 @@ module ball_groove2(pitch, length, diameter, ball_radius, slices=200){
     offset = length/slices;
     union(){
         for (i = [0:slices]) {
-            assign (z = i*offset){
+            let (z = i*offset){
                 translate(helix_curve(pitch, radius, z)) sphere(ball_radius, $fa=5, $fs=1);
             }
         }