A multi-axis SLA prototype apparatus

One of the most common rapid prototyping (RP) technologies, the stereo lithography apparatus (SLA) fabricates 3D parts using a layer-based, additive fabrication processes by tracing part cross-sections on the top surface of liquid photopolymer. We investigate methods for building around embedded components, where these components are motors, circuit boards, bushings, etc. While it is possible to fabricate such assemblies using conventional SLA technology, we believe that much greater functionality and flexibility can be achieved if the architecture of typical SLA machines is modified to incorporate greater freedom. In this paper we present a prototype system that shows great promise in expanding the degrees of freedom of SLA machines, thus getting one step closer to realizing the ability to build functional parts with embedded inserts