{\r
difference()\r
{\r
- cube([74,10,10]);\r
- rotate([0,0,-9])\r
+ cube([57,10,10]);\r
+ rotate([0,0,-13])\r
{\r
translate([7,11.1,-1]) cylinder(r=4,h=12);\r
- translate([67,11.1,-1]) cylinder(r=4,h=12);\r
+ translate([7+37.5,11.1,-1]) cylinder(r=4,h=12);\r
}\r
}\r
}\r