Using Fabricators to Reduce Space Transportation Costs

Ever since the Apollo landings, one ofthe primary barriers to more ambitious space projects has been the exorbitant cost oflifting equipment and construction components off ofthe Earth. Fabricators offer an intriguing solution by allowing for the use of native materials on the Moon, Mars, or other destinations in the production of tool and building parts. This paper discusses • The kinds ofobjects that can be practically made in this fashion, • Fabricator processes suitable for extraterrestrial environments, • Raw materials available, and • The impact ofthis use oftechnology on the cost ofspace projects