Filament guide wheel- Monoprice Maker Select (Wanhao Duplicator i3)

I mounted my filament on the wall behind my printer, but needed a way to ease the strain where it passed the 90 degree bend. This guide wheel tracks with the filament as it moves left and right, while relieving all of the strain and allowing the filament to travel smoothly. All you need is a couple of standard skateboard wheel bearings to make it work. Just press the bearings in with an arbor press or in a vice, and use your own hardware of choice to pass through the wheel bearing. The radial a