Universal filament holder for all profile 3D printers; supports ABS, PLA, PETG, TPU and other common filaments; compatible with 3D printer models to meet diverse printing needs. Rotating design prevents filament tangling during printing, improving convenience and efficiency. Robust construction with a stainless steel sheet metal bracket and barrel shaft; loadbearing capacity up to 2.5 KG of filament. Rotating barrel holder adopts a snap design that fits brackets 0.5–2 mm thick; installation is simple and quick. The metal bracket is secured with two screws to ensure stability and prevent loosening, enabling easy setup. Applications: Use with heavy or multiple filament spools to maintain smooth feeding during long or complex prints. Ideal for long multifilament projects where tangling risk is a concern. Suitable for hobbyists, schools, and makerspaces with different printer models, providing reliable, quickinstall filament management.