Filament Dryer / Dehydrator spool roller / spool holder by Petclaud - Thingiverse
Things tagged with Filament support - Thingiverse
Filament Spool Roller w/ 608 bearings by LordMelkor, Download free STL model
Things tagged with Filament guide - Thingiverse
3D Printer Filament Reel Roller Airtripper's 3D Printer and Arduino Blog
3D Printable Ender 3 Twin Wheeled Filament Guide For Side And Top Mounted Spools by Taff H
Things tagged with Filament roller - Thingiverse
Filament Spool Roller - Snap Fit 6x19x6mm Bearings 626zz by TyCreek - Thingiverse
Filament roller by PaJa_trb - Thingiverse