//radiation cap //JP Hare, 26th July 2021, version 4 //less wide and long to fit Al box //ca. 5 hours slot_width = 2.1; //main base difference () { cube([80,90,3]); //bolt hole I translate ([40,5,-2]) cylinder (h=10, r=2, $fn=90); //bolt hole II translate ([40,85,-2]) cylinder (h=10, r=2, $fn=90); } //left hand slots difference () { translate ([0,0,0]) cube([15,90,20]); // slots for (i=[-1:6:96]) translate ([-1,i,10]) cube([17,slot_width,25]); //wire hole translate ([10,-10,6]) rotate ([-90,0,0]) cylinder (h=110, r=1.5, $fn=90); } //right hand slots difference () { translate ([65,0,0]) cube([15,90,20]); // slots for (i=[2:6:96]) translate ([64,i,10]) cube([17,slot_width,25]); //wire hole translate ([70,-10,6]) rotate ([-90,0,0]) cylinder (h=110, r=1.5, $fn=90); }