Made the bottom of the brackets flat to fit in my companion cube case spool mount and added a bracket that snaps into place to better hold it together or you can glue it together if you want. 

Roller can be downloaded from the original creator as well as the Companion Cube Spool Roller Bracket, links below. 

Roller- [https://www.printables.com/model/278580-bambu-lab-spool-roller](https://www.printables.com/model/278580-bambu-lab-spool-roller)

Companion Cube Roller Mount- [https://www.printables.com/model/371710-p1p-companion-cube-side-spool-mount](https://www.printables.com/model/371710-p1p-companion-cube-side-spool-mount)