First Layer is rated 3 out of 5 in the category design. Read and write reviews about First Layer. First Layer is online showcase platform for 3D printing applications, projects and products. Promoting the way we make things using exponential technologies like 3d printing, A.I. machine learning, and robotics. Our mission is to show people what can be done with 3d printing, so they can benefit from the technology and use it up to full potential.