T slot Filament Holder remix

I did a remix of this Thing 604530. I made it fatter and shorter. It fits a 1kg spool better. I also added a couple little nubs on top to reduce friction.

I am using this with my M3D 8020 mounts and braces that you can find here.
Mounts
http://www.thingiverse.com/thing:867919
Braces
http://www.thingiverse.com/thing:868136