roller filament spool brackets for Prusa i3 aluminum frame

This is a remix of two filament spool holders - I wanted something to mount to the top of my Prusa i3 with an aluminum frame, and I wanted it to be entirely printable.
This is from the PHIL roller spool holder and the Taulman bracket spool holder for the Prusa.
I've printed them in ABS, and they are working ok so far!
Let me