TY - RPRT TI - A Ground-Based Study on Extruder Standoff Distance for the 3D Printing in Zero Gravity Technology Demonstration Mission AU - Prater, T. J. AU - Bean, Q. A. AU - Werkheiser, N. J. AU - Beshears, R. D. AU - Rolin, T. D. AU - Rabenberg, E. M. AU - Soohoo, H. A. AU - Ledbetter, F. E., III AU - Bell, S. C. PY - 2017 UR - https://ntrs.nasa.gov/citations/20170005539 ID - 20170005539 ER -