Figure 2.
(a–c) Optical microscope and phase images of eyeglass frames produced with the ABS filament at 0.20 mm layer thickness and 230 °C; (d–f) images of frames produced with the PETG filament at the same settings.
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.