RP Auto Test RP Auto Test from Simon Williamson RP Auto Test RP Project - To be printed (red) and machined (Gloss black and aluminum chassis) and cast (matt black). gLike RP Auto Test RP Project - To be printed (red) and machined (Gloss black and aluminum chassis) and cast (matt black). Industrial Design 3D Modeling Product Design Share R 7 n Simon Williamson Professor at Wentworth Institute of Technology Boston, MA Follow Contact