//mobile phone absorption wavemeter
//J P Hare August 9th 2014 version 2.2
//two transistor amplifier
//moved PP3 a little longer
//srews hols larger in posts

//ca. 70 min print time on Ormerod

//handle of detector
translate ([-10,-30,0])
cube([40,90,3], center = false);

//26 x 50mm pp3 battery end holders
translate ([0,-30,3])
cube([20,2,10], center = false);
translate ([0,24,3])
cube([20,2,10], center = false);
translate ([-5,-15,3])
cube([2,20,5], center = false);
translate ([23,-15,3])
cube([2,20,5], center = false);



difference () {
//circular loop holder
translate ([10,100,0])
cylinder (h=3, r=50, $fn=90);
translate ([10,100,0])
cylinder (h=3, r=40, $fn=90);
}

//fixing posts to hold top of loop 
difference () {
translate ([10,145,3])
cylinder (h=3, r=2, $fn=30);
rotate ([0,270,0])
translate ([4.5,145,-16])
cylinder (h=15, r=1, $fn=30);
}

//first fixing posts to side loop 
difference () {
translate ([55,100,3])
cylinder (h=3, r=2, $fn=30);
translate ([55,107,4.5])
rotate ([90,0,0])
cylinder (h=15, r=1, $fn=30);
}

//second fixing posts to side loop 
difference () {
translate ([-35,100,3])
cylinder (h=3, r=2, $fn=30);
translate ([-35,105,4.5])
rotate ([90,0,0])
cylinder (h=15, r=1, $fn=30);
}

//guide to wire fixing posts left  
difference () {
translate ([-3,57,3])
cylinder (h=3, r=2, $fn=30);
translate ([-5,57,4.5])
rotate ([9,90,0])
cylinder (h=6, r=1, $fn=30);
}

//guide to wire fixing posts right
difference () {
translate ([23,57,3])
cylinder (h=3, r=2, $fn=30);
translate ([20,57,4.5])
rotate ([-9,90,0])
cylinder (h=6, r=1, $fn=30);
}

//two fixing posts 1 for loop wire
difference () {
translate ([5,55,3])
cylinder (h=5, r=3, $fn=30);
translate ([5,55,3])
cylinder (h=5, r=1.5, $fn=30);
}

difference () {
translate ([15,55,3])
cylinder (h=5, r=3, $fn=30);
translate ([15,55,3])
cylinder (h=5, r=1.5, $fn=30);
}

//two fixing battery cons
difference () {
translate ([5,30,3])
cylinder (h=5, r=3, $fn=30);
translate ([5,30,3])
cylinder (h=5, r=1.5, $fn=30);
}

difference () {
translate ([15,30,3])
cylinder (h=5, r=3, $fn=30);
translate ([15,30,3])
cylinder (h=5, r=1.5, $fn=30);
}