When the Enemy Alters Your .stl File

Even if you're not interested in how the U.S. government is still struggling with the cybersecurity issues that come with 3D printing; take a look at this article's photo of a Marine adjusting a 3D printer during training. https://breakingdefense.com/2021/07/pentagon-watchdog-warns-services-about-cyber-threat-in-3d-printing/