This week for Makerbot Monday we have a replica of the Pentagon building.
Total print time: 3 hours and 40 minutes.
Back in March 2017 the U.S. Department of the Navy held a 3D Print-A-Thon to display technology innovations. 40 entries from 20 different Navy and Marine Corps organizations participated
See the details of that event here: https://3dprintingindustry.com/news/us-navy-presents-3d-printing-innovations-pentagon-108746/