+ for (rs=[-1,+1]) {
+ for (xd=[0,1]) {
+ rotate([0,0, rs * handling_angle/2]) {
+ translate([rs * xd * main_dia/2 * tan(handling_angle/2),
+ main_dia/2 + side_thick - main_cnr,
+ top_z - main_cnr]) {
+ mirror([0,0,1])
+ cylinder(r= main_cnr, h=50);
+ sphere(main_cnr);
+ }
+ }
+ }
+ }