Figure 2.
Schematic representation of 3DP techniques, reproduced with permission from Elsevier, license number 5334150461456 [38].
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.