US Patent 11097467 Method of automating the manufacture of 3D printed objects

A stereolithographic 3D printer comprising a number of functional stations that are connected in an automated process so that they can perform the following functions simultaneously; a) the selective exposure of liquid photopolymer, b) the washing off of excess photopolymer, c) the post exposure of the built part (optionally under water) and optionally d) the load and unloading of the part.