The dangers of California's legislation to censor 3D printing

Article

• EFF opposes California bill requiring 3D printers to scan files and block firearm-related prints
• Would mandate state-certified algorithm embedded in printer firmware
• Chilling effect extends to cosplay props, educational models, legitimate parts
• EFF argues it’s prior restraint on a general-purpose manufacturing tool

Discussion

• Commenters call regulation ineffective: guns easier to build from Home Depot pipes
• CNC machine analogy: any multi-step subtractive process bypasses detection trivially
• Cosplay use case raised — many costumes require prop firearms
• Suspected Everytown Research lobbying behind similar copy-paste bills across states

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