add controller ring

controller_ring.scad

@@ -0,0 +1,58 @@
+outside_radius = 21.4/2;
+thickness = 1;
+height = 5;
+
+step_size = 1;
+
+$fn = 100;
+
+module ring(){
+    linear_extrude(height)
+        difference(){
+            circle(outside_radius);
+            circle(outside_radius-thickness);
+        }
+}
+
+module myshape(){
+    horizontal = 6;
+    depth = 3;
+    my_height = 5;
+    rotate([-45,0,0])
+        translate([0,0,-my_height/2])
+            linear_extrude(my_height)
+                polygon([[-horizontal, 0],[horizontal,0],[0,depth]]);
+}
+
+pattern_size = 1.75;
+offs = 0.2;
+cube_height = 20;
+count = 4;
+difference(){
+    ring();
+    for(step=[0:step_size:360]){
+        h = cos(step*count) * pattern_size;
+        rotate(step)
+            translate(
+                    [0,
+                    outside_radius-thickness/2,
+                    h+height-pattern_size+cube_height/2+offs])
+                cube(size=[1,thickness+0.5,cube_height], center=true);
+    }
+}
+
+
+// difference(){
+//     ring();
+//     steps = 4;
+//     for(step=[0:steps]){
+//         rotate(step*360/steps){
+//             translate([0,8,5.5]){
+//                 myshape();
+//             }
+//         }
+//     }
+// }
+
+// translate([0,8,5.5])
+//     myshape();