Download STLs with MWO mask of BattleMech Atlas 3D printing mikucosplay.com model. Sauron 3.stl 15.5 MB Comments Available for Download Price: $4.94 Download the design’s source files for use on your own 3D printer.Update 1: Added 2 halves of the model for easy printing. This 3D Figurine consists of files in StereoLithography (.Stl) format that is optimized for 3D printing. All our 3D models contain a ZIP archive with STL files and previews.