Banning 3D parts based on their function is a doomed game of cat and mouse. Algorithmic print blocking will be circumvented by lawbreakers, and legal uses will be censored. https://www.eff.org/deeplinks/2026/04/print-blocking-wont-work-permission-print-part-2
Print Blocking Won't Work - Permission to Print Part 2

Legislators across the U.S. are proposing laws to force “blueprint blockers” on 3D printers sold in their states. This mandated censorware is doomed to fail for its intended purpose, but will still manage to hurt the professional and hobbyist communities relying on these tools.

Electronic Frontier Foundation
@eff
18th century France vs the pirate book printing operations springs to mind