This part replaces the acrylic Y-Axis foot which comes with the Ordbot and adds support to the rather flimsy metal plate which holds the belt idler. One simple part which does not interfere with any of the printers workings. Improves belt tension and adjustably. Designed to work with my Y Motor Support http://www.thingiverse.com/thing:106279Print part (Printed with a 3 wall perimeter at .2mm layer height. 20% infill) Remove the stock acrylic foot and retain bolts and pulley idler plate. Insert Nylock nut into underside of foot and attach the plate and idler pulley to foot. Insert 2 M5 t slot nuts into underside of Y axis Makerslide. Slide onto end of makerslide and re-assemble belt.