FabRx is the creator of Printlets, 3D printed tablets with customized dosages of medication. The company had been 3D printing its pills using three technologies: FDM, SLA, and gel/paste extrusion. SLA, however, hasn't been a viable means of production yet as the materials used in the technology are not GRAS (Generally Recognized As Safe) approved by the FDA. Now FabRx has started creating its tablets with Selective Laser Sintering, or SLS, technology as well. Read more at 3DPrint.com: http://3dprint.com/186570/fabrx-sls-...ing-printlets/