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91 changes: 91 additions & 0 deletions 2026/06/2026-06-25-zsu.md
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**Are you the copyright holder or authorized to act on the copyright owner's behalf? If you are submitting this notice on behalf of a company, please be sure to use an email address on the company's domain. If you use a personal email address for a notice submitted on behalf of a company, we may not be able to process it.**

Yes, I am the copyright holder.

**Are you submitting a revised DMCA notice after GitHub Trust & Safety requested you make changes to your original notice?**

Yes

**Please provide the Zendesk ticket number of your previously submitted notice. Zendesk ticket numbers are 7 digit ID numbers located in the subject line or body of your confirmation email.**

4508055

**Does your claim involve content on GitHub or npm.js?**

GitHub

**Please describe the nature of your copyright ownership or authorization to act on the owner's behalf.**

I am the [private] and copyright owner of the ZSU and KSU source code. ZSU and KSU is two commercial SketchUp plugin that [private] developed and sell. [private] have never licensed, open-sourced, or authorized anyone to publish or redistribute its source code.

**Please provide a detailed description of the original copyrighted work that has allegedly been infringed.**

Infringing material and its location:
Release: v1.1.01 (published 23 June 2026)
Infringing asset: zns_1.1.01.rbz — 1,744,695 bytes; SHA-256 78ae3f66a7a79bedc006e68757f325b7c20dc62b22f1311ec133b65a7ff22477
Direct download URL: https://github.com/hvtohl/zns_update/releases/download/v1.1.01/zns_1.1.01.rbz
Claimed author/owner: hvtohl.

zns_1.1.01.rbz is the installable SketchUp package of the same infringing plugin whose source code is published at [private] (see [private] companion notice). It is a derivative copy of [private] two commercial plugins, KSU (nesting) and ZSU (modeling), merged, renamed "ZNS", and distributed as "open source". [private] downloaded and extracted the package; the following infringing content is present and directly verifiable inside it:

[private]

[private]

[private]

[private]

Removal of [private] license protection. [private] product runs every tool only through [private] license gate (KSU::License, HWID activation against ksu.vn). That protection has been stripped from this package; the plugin runs with no activation, and [private] proprietary software is redistributed for free under a fabricated MIT/"open source" label.

Repeat infringer. The same operator's earlier repository ([private]) distributing this work was already taken down by GitHub, as were earlier repositories under OpenKSU, OpenZSU, wpn and wps. This release under the new hvtohl account is the same infringement repeated. [private] know that because he publicly shared them on social media.

**If the original work referenced above is available online, please provide a URL.**

https://xsu.vn/#ksu (official commercial KSU product page)
https://xsu.vn/#zsu (official commercial ZSU product page)

Original private source repository: [private]
Original private source repository: [private]

**We ask that a DMCA takedown notice list every specific file in the repository that is infringing, unless the entire contents of the repository are infringing on your copyright. Please clearly state that the entire repository is infringing, OR provide the specific files within the repository you would like removed.**

**Based on the above, I confirm that:**

The entire repository is infringing

**Identify the full repository URL that is infringing:**

https://github.com/hvtohl/zns_update

**Do you claim to have any technological measures in place to control access to your copyrighted content? Please see our <a href="https://docs.github.com/articles/guide-to-submitting-a-dmca-takedown-notice#complaints-about-anti-circumvention-technology">Complaints about Anti-Circumvention Technology</a> if you are unsure.**

No

**If you are reporting an allegedly infringing fork, please note that each fork is a distinct repository and <i>must be identified separately</i>. Please read more about <a href="https://docs.github.com/articles/dmca-takedown-policy#b-what-about-forks-or-whats-a-fork">forks.</a> As forks may often contain different material than in the parent repository, if you believe any of the repositories or files in the forks are infringing, please list each fork URL below:**

**Is the work licensed under an open source license?**

No

**What would be the best solution for the alleged infringement?**

Reported content must be removed

**Do you have the alleged infringer’s contact information? If so, please provide it.**

**I have a good faith belief that use of the copyrighted materials described above on the infringing web pages is not authorized by the copyright owner, or its agent, or the law.**

**I have taken <a href="https://www.lumendatabase.org/topics/22">fair use</a> into consideration.**

**I swear, under penalty of perjury, that the information in this notification is accurate and that I am the copyright owner, or am authorized to act on behalf of the owner, of an exclusive right that is allegedly infringed.**

**I have read and understand GitHub's <a href="https://docs.github.com/articles/guide-to-submitting-a-dmca-takedown-notice/">Guide to Submitting a DMCA Takedown Notice</a>.**

**So that we can get back to you, please provide either your telephone number or physical address.**

[private]

**Please type your full name for your signature.**

[private]