NASA 3DP-Habitat Contest - Phase 2 Level 3, Dome

NASA held a 3DPrinted Habitat Contest to design a 3D printer that could print on Mars, the Moon, etc. This is the model used for Phase 2 Level 3, a Dome to be printed in a head-to-head contest in August 2017.

See https://www.nasa.gov/directorates/spacetech/centennial_challenges/3DPHab/index.html