machine.attachChild(pcb);
Geometry yRailLeft = new Geometry("y_rail_left", new Box(6, 6, 600 / 2));
yRailLeft.setMaterial(polishedStainlessTexture);
yRailLeft.move(-300 + 6, 12.7f, 0);
machine.attachChild(yRailLeft);
Geometry yRailRight = new Geometry("y_rail_right", new Box(6, 6, 600 / 2));
yRailRight.setMaterial(polishedStainlessTexture);
yRailRight.move(300 - 6, 12.7f, 0);
machine.attachChild(yRailRight);