// Author: Carlos García Saura
// Based on the Y axis bearing idler from RepRap Wallace

$fn=50;

pieceThickness=10;
bearingScrewMetric=3.6;
bearingScrewDistance=31.5;

rodDistance=60;

rodThickness=8.3;

radius=rodThickness-1;

bearingScrewOffset=rodDistance/2-bearingScrewDistance/2;

difference() {
	union()
	{
		//cube([0.001,rodDistance,1]);
		cylinder(r=radius,h=pieceThickness);
		translate([0,rodDistance,0])
			cylinder(r=radius,h=pieceThickness);
		translate([-2,0,0])
			cube([radius,rodDistance,pieceThickness]);
	}
	
	//Rod drills
	cylinder(r=rodThickness/2,h=50+pieceThickness,center=true);
	translate([0,rodDistance,0])
		cylinder(r=rodThickness/2,h=50+pieceThickness,center=true);

	//Bearing drills
	rotate([0,90,0])
		translate([-pieceThickness/2,bearingScrewOffset,0])
			cylinder(r=bearingScrewMetric/2,h=50+pieceThickness,center=true);
	rotate([0,90,0])
		translate([-pieceThickness/2,bearingScrewDistance+bearingScrewOffset,0])
			cylinder(r=bearingScrewMetric/2,h=50+pieceThickness,center=true);
}