Spool Binding Guard for Printrbot Simple Metal (with Alu handle and spool rack)

I recently got a fully assembled Printrbot Simple Metal, fully assembled, and have had some issues with the spool rack it came with. Namely, there are two black screws used to attach the rack (in the second picture) that protrude enough to bind with the filament spool. I've already had two failed prints due to this (I've only owned the printer for 15 days), so I created a simple guide to prevent extra binding. You will also need two rubber bands to hold the guide on the printer, which are shown