# Flashforge violating Klipper license?

**URL:** <https://klipper.discourse.group/t/flashforge-violating-klipper-license/11123>\
**Category:** General Discussion\
**Created:** [October 22, 2023, 7:21am UTC](https://klipper.discourse.group/t/flashforge-violating-klipper-license/11123 "2023-10-22T07:21:07Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![P9owr](https://avatars.discourse-cdn.com/v4/letter/p/e95f7d/32.png) [@P9owr](https://klipper.discourse.group/u/P9owr)\
**Post date:** [October 22, 2023, 7:21am UTC](https://klipper.discourse.group/t/flashforge-violating-klipper-license/11123/1 "2023-10-22T07:21:07Z")

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As far as I know, the new Flashforge Adventurer 5m printer comes with a modified version of Klipper. Since Klipper is released under the GPLv3 license and with Creality recently open sourcing their firmware would Flashforge also not be required to follow suit?

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**Author:** ![lockridge](https://avatars.discourse-cdn.com/v4/letter/l/5fc32e/32.png) [@lockridge](https://klipper.discourse.group/u/lockridge)\
**Post date:** [December 21, 2023, 12:39am UTC](https://klipper.discourse.group/t/flashforge-violating-klipper-license/11123/2 "2023-12-21T00:39:50Z")

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+1 - I’d love to get in contact with them about this. The firmware downloadable from their site refers to klipper quite a lot, so they’re _definitely_ using it.

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**Author:** ![fryc88](https://avatars.discourse-cdn.com/v4/letter/f/f6c823/32.png) [@fryc88](https://klipper.discourse.group/u/fryc88)\
**Post date:** [January 15, 2024, 7:47pm UTC](https://klipper.discourse.group/t/flashforge-violating-klipper-license/11123/3 "2024-01-15T19:47:55Z")

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[g992/flashforge-ad5m-5mpro-research: Hardware and software researches and upgrades for Flashforge adventurer M5/M5 PRO (github.com)](https://github.com/g992/flashforge-ad5m-5mpro-research)

According to above, you guys are right, it looks like they are using forked Klipper there 😉

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**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/klipper/original/1X/64419bf2aac6639e6ef5cef200dcd456b0a01ac3.png) [@system](https://klipper.discourse.group/u/system)\
**Post date:** [March 15, 2024, 7:48pm UTC](https://klipper.discourse.group/t/flashforge-violating-klipper-license/11123/4 "2024-03-15T19:48:11Z")

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