A setup guide describes running PrintGuard in Docker to monitor 3D printing failures. It uses a local vision model and judgments across consecutive frames, and can connect alerts and pauses in Bambu, Klipper, and OctoPrint environments. Reducing cloud transmission is an advantage, but camera angle and lighting can affect decisions. The article’s descriptions of actual failure-detection results are inconsistent, so it does not establish a waste-reduction percentage or detection accuracy. Validating the system first in alert-only mode is an appropriate approach.