There is a FDM 3D printer on the ISS & there have been many material science experiments done. A centrifuge module was planned for the ISS but later cut on cost

There is a FDM 3D printer on the ISS & there have been many material science experiments done. A centrifuge module was planned for the ISS but later cut on cost reasons: https://en.wikipedia.org/wiki/Centrifuge_Accommodations_Module https://en.wikipedia.org/wiki/Centrifuge_Accommodations_Modu... Humble beginnings.