Expedition 61 Flight Engineer Jessica Meir works on a 3-D biological printer

iss061e113336 (Jan. 2, 2020) --- NASA astronaut and Expedition 61 Flight Engineer Jessica Meir inserts Techshot Tissue Cassettes into racks that allow them to be installed in a Microgravity Experiment Research Locker/Incubator (MERLIN) for sample return to Earth. These particular tissue cassettes were used in the 3D printing of tissue-like constructs as part of the initiation of Techshot’s BioFabrication Facility (BFF) aboard the International Space Station.