I made a spool holder for a 5kg spool out of old mendel parts and I honestly kinda like it : r/3Dprinting

3DJAKE Filament spool holder - 3DJake International

Filament Spool Holder, Stable Design, Ball Bearings, Compatible

5kg spool holder 3D Models to Print - yeggi

Reprap development and further adventures in DIY 3D printing

Large Spool Holder - designed for 30cm diameter (5kg) spool - 3D

Asembling the best Spool Holder for 3D Printing up to 5kg

Reprap development and further adventures in DIY 3D printing

Reprap development and further adventures in DIY 3D printing

Adjustable Spool Holder .5kg - 2kg spools (fixed screw) by 3D_CNC