我们仍然可以阻止加州的 3D 打印机监控计划
We can still stop California's 3D printer surveillance scheme

原始链接: https://www.eff.org/deeplinks/2026/06/we-can-still-stop-californias-3d-printer-surveillance-scheme

加利福尼亚州众议院已推进 AB 2047 法案,这是一项要求 3D 打印机安装监控软件的错误法案。尽管该法案进行了一些小幅修订,例如豁免私人转售和为商业工作室提供例外,但其在根本上依然存在缺陷,且在技术上并不切实际。 该法案强制制造商实施“打印拦截”算法,这些算法对决心违规的用户无效,同时却威胁到了守法创作者的隐私。由于要求对 3D 打印文件进行持续监控,该强制规定带来了巨大的知识产权盗窃和数据泄露风险。此外,该法案还对开源创新产生了寒蝉效应,因为开发者面临着模糊的标准,这些标准将常见的实验行为定为刑事犯罪。即便修订了措辞,该法案依然缺乏现实的性能标准,本质上放弃了假装该技术能可靠防止制造非法枪支的幌子。 由于 AB 2047 在未能提供有效安全解决方案的同时,威胁到了创客、业余爱好者和独立专业人士的权利,电子前沿基金会(EFF)正呼吁公众联系加州参议员,要求他们对这项具有侵入性且无效的法案投下反对票。

这次Hacker News讨论聚焦于加州一项拟议法案,该法案旨在对3D打印机实施严格的监控和监管要求,强制规定其仅能通过授权软件和检测算法运行。 评论者普遍批评该法案“严苛”且属于“安全戏码”,认为它给合法制造者带来了不必要的阻碍,却无法有效阻止不法分子。许多人指出,这些拟议法规在技术上不切实际,类似于历史上对打字机和传真机等通信技术的管控尝试。 讨论帖中还包含了一位家长的亲身经历:其就读幼儿园的孩子因打印了一个“枪支”模型而被举报给校方,事后发现那只是一个拿着爆能枪的微型玩具人偶。这个故事凸显了人们对过度执法及该技术所受社会污名化的广泛担忧。 尽管一些参与者对联系议员表达了怀疑,但许多人仍敦促用户利用电子前哨基金会(EFF)的资源来表达反对意见。这场讨论最终反映出人们对政府试图监管新兴技术的深刻挫败感,并认为此类强制性要求既是权力的越界,也未能从根本上解决暴力问题的症结。
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原文

Ignoring EFF’s warnings about the dangers and impossibility of implementing a new mandate for 3D print surveillance software, the California State Assembly has signed off on legislation to do just that. In the process, legislators amended the bill to make it even more confusing, while failing to address the risks to privacy, speech, and consumer rights. We must renew our call on legislators to drop this bill as it heads to the state senate, and protect the tools of creators in the state.

Take action

Tell CA Senators to stand with creators

What’s changed about the bill?

Since we first wrote about AB  2047, a bill targeting 3D printers for the rare, impractical, and already outlawed practice of manufacturing firearms without a license, it has picked up several amendments. Some are welcome changes, but most have only highlighted the technocratic absurdity of the proposed scheme. Our core concernsthat this mandate censors lawful speech, builds out corporate surveillance, and criminalizes open source experimentationhave not been remedied. 

Removes criminalization of resale

Starting with one silver lining, the current bill includes a carveout for the private resale of devices. The original bill would have made it a criminal offense for an individual to resell 3D printers purchased before this mandated censorship and surveillance software. This is a clear win for the 3D-printing community, but it is unfortunately not enough.

Ineffective carveouts for open source

One of the most dangerous aspects of the bill is that it criminalizes individual users for common practices, like creating and using alternative open source programs with their 3D printer. New amendments provide a carveout for the use of an open source tool, but only if it includes compliant censorship software. The bill burdens open source developers with ambiguous and unrealistic standards for print blocking, and continues to create a chilling effect for open source users.

Removes any actual requirement to work

To reiteratethere is no world where the mandated technology actually works as intended. It will both block lawful use of 3D printers, and allow firearms to be printed by anyone determined to do so. There is no amendment that can change this reality.

Instead, the current bill simply drops the pretense that this mandate is expected to work. The performance standard of algorithms changed from “effectively prevent[ing] a technically skilled user from evading [the algorithm]” to “substantially reduce the likelihood of foreseeable circumvention attempts…” The bill will still require all prints to be surveilled, but instead of testing efficacy against a skilled user, it just plays whack-a-mole with the (literally) infinite number of circumventions that any user can employ. 

Further, the bill now leaves us with an unclear process that relies on non-governmental third parties to define standards, and now relies on manufacturers and resellers to self-police.

Hollywood gets a cut

The bill includes yet another carve out for commercial users. This time for the entertainment industry, which makes extensive use of 3D printers for props and costumes. 

That’s fine for big studios, but it leaves out indie filmmakers, cosplayers, and many other small creators. 

This is simply a defensive edit to limit corporate opposition. There isn’t a clear division in 3D-printing between consumer and commercial tools. These are general purpose tools which might be picked up by a prop department of a big studio, or an artist getting ready for Comic Con. Indeed consumer level products are not only used by amateur artists and engineers developing their skills. Commercial 3D printers, like their traditional 2D equivalents, are frequently used in workplaces, as well as by professionals honing their skills or just trying to get some work done at home. 

Commercial carveouts hands printer manufacturers the ability to sell a more expensive tier of printers, locking-in and up-charging their commercial customers. Some of those customers will choose to buy general retail versions, but that carries its own price: increased risk of IP theft as all printed files are surveilled the same way they are for hobbyists. That means a real risk of businesses leaking any prototypes or new designs to not only the printer manufacturer, but potentially snooping governments and/or the general public through data breaches.

Demand  your senator oppose AB 2047

This updated version of AB 2047 downgrades performance standards and removes oversight while still threatening privacy and choice for users of 3D printers. A printer surveillance system won’t work for its intended purpose, and will only harm law abiding users. 

Act now to demand your senators to vote no on this ineffective and invasive bill.

Take action

Tell CA Senators to stand with creators

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