This is a high detail model of the Graviton Lance and includes parts to make the Particle Accelerator and Carina Nebula ornaments if you choose. The main design is hollow for adding electronics and should be printed with 5 walls with a .4mm nozzle. It is also designed to need minimal supports while printing. The files include a alternate versions of parts for various printing options, full solid versions, and the magazine was designed to attach with four 6mm X 2mm magnets.