When you don’t need the world’s strongest material, the Mark One 3D prints a range of other materials to help professionals design and iterate quickly. Make super tough parts with our Nylon Filament. Or load our tried and true, low-cost PLA filament for those quick form and fit prints. And if you need the best cost-to-strength solution, crank out a print using our exclusive Fiberglass Filament that uses the same patented Continuous Filament Fabrication.