Czech manufacturer Fillamentum's US storefront. Premium-tier filament with an unusually broad material range — PLA Extrafill, rePETG Loopfill (recycled), FlexFill TPU/TPE/PEBA, Timberfill wood composite, Fishy Filaments (ocean plastic), ASA, CPE, CPE-CF, HIPS, Nylon, and Vinyl. Well-regarded for quality and consistency.