//main base and coil former for ananomter / wind gen
//seperate coil former, better fit to magnet
//J P Hare October 16th 2014 version 3.1
//center = true version
//larger post holes than 2.6
//even larger axial hole
//wider coil former, larger coil lip

//ca. 90 min print time on Ormerod

difference () {
//draw lip of coil former
translate ([50,10,-1.5])
cube([45,45,2], center = true);
translate ([50,10,-1.5])
cube([26,28,3], center = true);
}

//four posts on coil former
translate ([35.5,-4,.5])
cylinder (h=5, r=0.9, $fn=30, center = true);

translate ([64.5,-4,.5])
cylinder (h=5, r=0.9, $fn=30, center = true);

translate ([64.5,23,.5])
cylinder (h=5, r=0.9, $fn=30, center = true);

translate ([35.5,23,.5])
cylinder (h=5, r=0.9, $fn=30, center = true);


difference () {
//draw in coil former
translate ([0,10,8])
cube([33,34,12], center = true);
translate ([0,10,9])
cube([27,28,15], center = true);

//four post holes for former
translate ([14.5,-4,5])
cylinder (h=19, r=1.2, $fn=30, center = true);

translate ([-14.5,-4,5])
cylinder (h=19, r=1.2, $fn=30, center = true);

translate ([-14.5,23,5])
cylinder (h=19, r=1.2, $fn=30, center = true);

translate ([14.5,23,5])
cylinder (h=19, r=1.2, $fn=30, center = true);
}

difference () {
//draw main base
cube([45,110,5], center = true);

//magnet is 25mm long x 25mm diameter
//but we need a little extra space around it

//cut-out for magnet
translate ([0,10,0])
cube([27,28,20], center = true);

//cut out for magnet fixing nuts
translate ([0,27.5,0])
cube([7,7,5], center = true);

//cut out for magnet fixing nuts
translate ([0,-7.5,0])
cube([7,7,5], center = true);

//axal placement
translate ([0,40,0])
rotate ([90,0,0])
cylinder (h=130, r=1.9, $fn=30, center = true);

//two bottom fixing holes 
translate ([15,-45,5])
cylinder (h=15, r=1.5, $fn=30, center = true);

translate ([-15,-45,5])
cylinder (h=15, r=1.5, $fn=30, center = true);
}

//two fixing posts for wire
difference () {
translate ([10,-30,5])
cylinder (h=5, r=3, $fn=30,center = true);
translate ([10,-30,5])
cylinder (h=5, r=1, $fn=30, center = true);
}

difference () {
translate ([-10,-30,5])
cylinder (h=5, r=3, $fn=30, center = true);
translate ([-10,-30,5])
cylinder (h=5, r=1, $fn=30, center = true);
}

//draw in axal support / extension
difference () {
translate ([0,60,0])
cube([10,20,5], center = true);

//make axal hole
translate ([0,60,0])
rotate ([90,0,0])
cylinder (h=300, r=1.9, $fn=30, center = true);
}