tube_d = 8.0 + 0.5;
tube2_d = 6.0 + 0.5;
-tube2_xoff = tube_d/2 + tube2_d/2 + 2.8 + 2;
+tube2_xoff = tube_d/2 + tube2_d/2 + 9;
clip_w = tube2_d + 2*wall;
slot_angle = 180;
wing_slot = 0.75*tube2_d;
-wing_top_wall = 2.5;
+wing_top_wall = 3;
difference() {
hull() {