//uncentered hole
module u_hole() {
	translate([2.7/2,2.7/2, -5]) cylinder(10, d=2.7,false, $fn=20);
}
//divot
module divot() {
	u_hole();
	translate([12.9-2.7 ,0, 0]) u_hole();
	translate([0,-1,-5]) cube([12.9,1+2.7/2,10]);
}
/*
 *  PCB Board itself
 */
p_w = 327;
p_h = 113;
module pcb() {
difference (){
	//PCB Board
	union() {
		cube([p_w,p_h,1.8],false);
		//represents solder on bottom
		translate([7.3,7.3,-1]) cube([p_w-2*7.3,p_h-2*7.3,1]);
	};
	//holes
	translate([4.85,16.6,0]) u_hole();
	translate([4.85,54.8,0]) u_hole();
	translate([p_w-4.85-2.7,54.8,0]) u_hole();
	translate([p_w-4.85-2.7,93.8,0]) u_hole();
	
	//divots		
	translate([p_w/2 - 12.9/2,0,0])divot();
	translate([p_w/2 - 12.9/2,p_h,0]) rotate([180,0,0]) divot();

}
}
/*
 * Plate above PCB and KEy switches
 */
pl_d = 13.08-3.92-1.8; //plate depth
pl_w = p_w - 2.6*2;
pl_h = p_h - 6.5 - 6.5;
module plate() {
//move above pcb
translate([0,0,3.92+1.8]) {
difference() {
	union () {
		//account for size shrink
		translate([2.6,6.5,0])
		cube([pl_w, pl_h ,pl_d]);
	}
	translate([2.6-1,42.81+6.5,-5]) cube([1+3.27,10+57.2,pl_d+10]);
	translate([2.6+pl_w-3.27,42.81+6.5,-5]) cube([1+3.27,10+57.2,pl_d+10]);
	translate([2.6+pl_w-3.27-11.12,81.3+6.5,-5]) cube([1+3.27+11.12,10+18.51,pl_d+10]);
} }
}
/*
 *  Keys
 */
module key(x,y, w=1) {
	translate([x*(18+0.9), y* (18+0.9),0]) 
	cube([w*(18+0.9)-0.9,18,12.5]);
}
//Keys
module keys() {
translate([15.55, 9.98,18.5+1.8]) {
//translate([15,10,18.5+1.8]) {
	union() {
		translate ([4.08,0,0]) {
			for(i=[0:1:14]) key(i,4);
		}

		translate([-4.86,0,0]) {
			for(i=[0:1:15]) key(i,3);
		}

		for(i=[0:1:13]) key(i,2);
		key(14,2,1.5);

		key(0,1,1.5);
		for(i=[1.5:1:11.5]) key(i,1);
		key(12.5,1,1.5);
		key(14,1);

		key(0,0,1.5);
		key(2.5,0,8);
	}
}
}
module switches() {
translate([p_w - 12.23 - 82.8 ,12.5, 13.08])
union() {
	translate([0,0,0]) cube([17.4,9.33,13]);
	translate([32.78,0,0]) cube([17.4,9.33,13]);
	translate([65.6,0,0]) cube([17.4,9.33,13]);
}
}
/*
 * Leds
 */
module led() {
	translate([6.04/2, 2.93/2,0])
	cylinder(7.47, d=2.93, false, $fn=25);
	cube([6.04,2.93,2.4]);
}
module leds() {
translate([11.11+2.71, 52.23+(6.04-2.93)/2, 13.08]) rotate([0,0,90])led();
translate([p_w-16.85-6.08,6.5,13.8]) led();
}
/*
 * Connectors 
 */
module f_header(x, y) {
	translate([x*2.56, y*4, 0]) {
		difference() {
			cube([2.56,4,4.5]);
			translate([2.54/2-1/2, 4/2-0.4/2, 4.5-4])
			cube([1,0.4,4+1]);
		}
	}
}
 translate([p_w - 121.5, p_h - 5.6, 1.8]) {
 	for(i=[0:1:11]) f_header(i,0);
 	for(i=[13:1:24]) f_header(i,0);
 
 }
/*
 * Fin.
 */
module keyboard() {
	pcb();
	plate();
	keys();
	switches();
	leds();
}
//keyboard();