We can still stop California's 3D printer surveillance scheme

Scope and Intent of the California Bill

  • Seen as more draconian than New York’s, particularly by effectively mandating locked‑down, vendor‑controlled slicers and disallowing “unauthorized software pathways.”
  • Many argue it duplicates existing bans on unlicensed firearm manufacturing, targeting tools rather than illegal end actions.
  • Some see it as part of a broader pattern: age‑verification for OSes, encryption fights, and other “computing control” efforts.

Effectiveness and Evasion

  • Many believe it will not stop determined actors: people can:
    • Build their own printers (open‑source designs, Voron, RepRap lineage).
    • Use out‑of‑state printers or general-purpose machine tools (CNC, lathes).
  • Jokes and protest ideas: designs that falsely trigger detection (e.g., shapes resembling gun parts), or adding cute animals to parts.
  • Concern that if this fails, legislators may try to regulate broader components (e.g., motors, CNCs).

3D-Printed Guns: Technical Debate

  • One side: 3D printing makes widespread, untraceable firearms possible; after prior legal wins for publishing gun plans, restricting manufacturing tools is the only remaining lever.
  • Other side: consumer printers can usually only print lower receivers; key components (barrels, springs, firing pins, shock absorbers) still require metal fabrication and can’t be reliably printed at home.
  • Some argue focusing on 3D printers is “theater” compared to buying parts or making simple “slam fire” guns from hardware store supplies.

Civil Liberties, Surveillance, and Precedent

  • Parallels drawn to:
    • Printer steganography and anti-counterfeiting patterns.
    • Eastern bloc control of typewriters and fax machines.
  • Fears of normalization of device-level surveillance and tool lockdown, akin to right-to-repair erosion and other regulatory creep.

Political Action and Representation

  • Several commenters used the EFF form to contact legislators; some customize letters with LLMs or handwrite for perceived higher impact.
  • Others report congressional offices increasingly ignore automated campaigns.
  • Debate over whether voting patterns and campaign financing (e.g., from gun-control groups) make constituent feedback ineffective.

Broader Gun Culture and Risk Perception

  • Non‑US readers express surprise that the US targets 3D printers while commercial firearms remain widely accessible.
  • Long subthread on school shootings, parental fear of guns (even toy-like prints), and differences in definitions and statistics.