//small jap type tuning cap shaft with knob
//for HF small loop project
//JP Hare, Sept. 15th 2014, version 1.4

//ca. 25 min print time on Ormerod

//knob
difference () {
cylinder (h=5, r=15, $fn=60);

//counter sunk bolt hole
cylinder (h=2.5, r=3, $fn=60);

//M2.5 bolt hole
translate ([0,0,-2])
cylinder (h=27, r=1.6, $fn=60);
}

difference () {
//shaft
cylinder (h=22, r=4, $fn=60);

//repeat M2.5 bolt hole
translate ([0,0,-2])
cylinder (h=27, r=1.6, $fn=60);

//3mm slot on end to fit cap
translate ([-4,-2.2,20])
cube([10,4.4,3]);

//counter sunk bolt hole
cylinder (h=2.5, r=3, $fn=60);
}