// License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/)
// You are free to share and adapt this design as long as you provide attribution.

$fn = 50;
difference(){ 
cylinder(h=18,r=7, center=true);
  translate ([0, 0, -3.1])
cube([1.6,7,23], center=true);   
    translate ([0, 0, -6.2])
cylinder(h=6.2,r=4.45, center=true); 
    
}

// diam=14,72 mm
//thickness plug =22,13
//height of the cap= 8,26
//height of whole cap =18,6 mm