1 $fs= 0.05; //detail kulatin v milimetrech
5 cube([8.5,5,11],center=true); //Hlavni kvadr
6 translate([0,2.5,-5.5]) cylinder(6,4.25,4.25); //Podlozka pod sroubem
8 translate([0,2.5,-10]){cylinder(20,1.5,1.5);} //Dira na zavit sroubu
9 translate([0,2.5,0.4]){cylinder(11,3.3,3.3);} //Dira na hlavicku sroubu
10 translate([0,-12,-10]){cylinder(20,10,10);} //Vykus na roletku