//Bri Sci Fest bell / buzzer support 2nd dec 2019

//ca. 1/2 hour print time on Ormerod

//height of support
L=60;

//axial radius
a=1.5;

//square base
difference () {
translate ([-30,-20,0])
cube([60,40,4]);

//hole for bolt 1
translate ([-25,15,-1])
cylinder (h=10, r=1.7, $fn=30);

//hole for bolt 2
translate ([25,-15,-1])
cylinder (h=10, r=1.7, $fn=30);


//hole for axial
translate ([0,0,-1])
cylinder (h=L+4, r=a, $fn=60);

}
difference () {
//support
translate ([0,0,0])
cylinder (h=L, r=5, $fn=100);

//hole for axial
translate ([0,0,-1])
cylinder (h=L+4, r=a, $fn=100);
}


difference () {
//strenthening support / ring I
translate ([0,0,0])
cylinder (h=13, r=10, $fn=60);

//hole for axial
translate ([0,0,-1])
cylinder (h=L+4, r=a, $fn=60);
}