Datasheets 3D Printers Metal X System X7 X5 X3 Mark Two Onyx Pro Onyx One Materials 17-4 PH Stainless Steel Copper Inconel 625 H13 Tool Steel A2 and D2 Tool Steel Onyx Onyx FR Onyx ESD Nylon Carbon Fiber Aramid Fiber (Kevlar®) HSHT Fiberglass Fiberglass