Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Benchy test print (green piece) and tensile specimens (sintered) for micro-tomography printed with a 0.25 mm diameter nozzle. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
