Amazon.com: FYSETC 3D Printer Ajustable Filament Holder Smooth Pulley Mount Rack Bracket for PLA/ABS/Nylon/Wood/TPU/Other 0.5KG 1KG 3D Printing Material : Industrial & Scientific
Filament Storage: 10 Best Racks to Print, Build, or Buy | All3DP
Filament Holder For Originalprusa I3 Mk2(s) & Mk3 Spool Holder ,frame Mount ,top Loader, Pla Printed Parts - 3d Printer Parts & Accessories - AliExpress
Adventure in new lock-down: a 3d printed filament spool holder