horn_ext_dia = 20 - 0.5; //?
horn_c_x = -5; //?
-horn_c_dy= -5; //?
+horn_c_dy= -4; //?
blhook_start_ang = 45;
intersection(){
difference(){
circle(horn_ext_dia/2);
- circle(horn_ext_dia/2 - horn_thick);
+ intersection(){
+ circle(horn_ext_dia/2 - horn_thick);
+ polygon([[-50,-50],
+ [-50,-horn_c_dy],
+ [50,-horn_c_dy],
+ [50,-50]]);
+ }
}
polygon([[0,0],
[-50,0],