Spool Roller with optional Motorized Attachment

What we've got here today is a filament spool holder with the option to add a motorized attachment.

There's a video of the design on YouTube: https://www.youtube.com/watch?v=JsldKkyXHJk

For features it sports:

1) Reinforce-able peg for the 608 bearing
2) Optional motor mount
3) Optional 608 bearing cover to connect a motor to one of your rollers
4) Through holes to push a rod with nuts through and hold the assembly in a sturdier fashion.

BOM:

(4) M3 Bolts of any sort, roughly 15mm or a bit shorter/longer
(4) 608 bearings of most any variety
(2) Optional M4 rods of varying length, threaded
(8) Optional M4 bolts to firmly hold the roller assemblies in place