// dipole center for 3D rotator 
// JP Hare, July. 15th 2022, version 1.2
// 3 hours print time

difference () {
// main body of holder
cube([30,200,20]);

// 8 mm hole for rotator shaft
translate ([15,200/2,-1])
cylinder (h=55, r=8.3/2, $fn=90);

// thumb screw for shaft
translate ([15,200/2,10])
rotate ([0,-90,0])
cylinder (h=55, r=4/2, $fn=90);

// left hand 8 mm tube gutter
translate ([15,200/2-15,20])
rotate ([90,0,0])
cylinder (h=130, r=8.5/2, $fn=90);

// right hand 8 mm tube gutter
translate ([15,245,20])
rotate ([90,0,0])
cylinder (h=130, r=8.5/2, $fn=90);

//dipole bolt hole I
translate ([15,10,-10])
rotate ([0,0,0])
cylinder (h=55, r=3.2/2, $fn=90);

//dipole bolt hole II
translate ([15,70,-10])
rotate ([0,0,0])
cylinder (h=55, r=3.2/2, $fn=90);

//dipole bolt hole III
translate ([15,130,-10])
rotate ([0,0,0])
cylinder (h=55, r=3.2/2, $fn=90);

//dipole bolt hole IV
translate ([15,190,-10])
rotate ([0,0,0])
cylinder (h=55, r=3.2/2, $fn=90);

}


difference () {
// add D to 8mm hole
translate ([-8,85,0])
cube([20,30,20]);

// thumb screw for shaft
translate ([15,200/2,10])
rotate ([0,-90,0])
cylinder (h=55, r=4/2, $fn=90);
}