Lava 3D printing provides an online 3D printing quote for makers, artists, and consumers, but most of all for product designers and developers.Lava has over 30 materials include polymer materials, metal materials, and inorganic non-metal materials. So far, we are mainly devoted to polymer materials 3D printing services. The 3D printing technologies we now use are Multi Jet Fusion(MJF), Selected Laser Sintering(SLS), Stereolithography(SLA), Fused Deposition Modeling (FDM), and Selective Laser Melting(SLM).