Filament is the name of the thermoplastic used in 3D printers the build 3D objects. We offer a variety of materials including the most popular ones like PLA, PETG and ABS. For your convenience we have sorted the 3D filament by brand, or you can browse by diameter. Besides filaments on 1kg spools we also offer 3kg and 5kg spools. To help you understand the different materials, find a list of basic materials on our filament information page.