It sounds as if some pretty major progress is being made in SLA 3D printing as Structo restructures the technology, basically to remove the flaws. With the use of an LED array light source and a liquid crystal film mask technology, this new MSLA technology can control which regions are illuminated. What is special about this is that all items in the XY region can be cured at once. The new 3D printer is just emerging from R&D and will be going into beta testing for select customers. Read more at 3DPrint.com: http://3dprint.com/126085/structo-msla-3d-printing/