BoxMain();
translate([ led[0], phone[1]/2 - led[1], 1 ])
- cylinder(r = led_dia/2, h= phone[2]*2, $fn=20);
+ rotate([0,0, 360/8/2])
+ cylinder(r = led_dia/2 / cos(360/8/2), h= phone[2]*2, $fn=8);
for (ys=[-1,+1]) {
translate([ -0.1, ys * keeper_stalk_gap, -wall[2]*2])