+for (x = [-1, 1]) for (y = [-1, 1]) scale([x, y, 1]) hull() {
+ translate([body_w/2-corner_l, body_h/2-wall/2, 0])
+ cylinder(r = wall/2, h = strut_h);
+ translate([motor_screw_head/2 + motor_plate_add - wall/2, motor_screw_dist1/2, 0])
+ cylinder(r = wall/2, h = motor_plate_h);
+}