cross-posted from: https://piefed.social/c/opensource/p/1823177/3d-printer-reviewers-being-honest-in-this-industry-will-put-you-out-of-a-job
This is the emails between the YouTuber YGK3D and Anycubic, it seems like they won’t send 3D printers to reviewers who mention their GPL3 license violations.
tl;dr Anycubic uses open-source software for their firmware, but doesn’t make it public as per license agreement, and they don’t seem to be friendly to anyone who calls this out.
More info: https://www.youtube.com/post/UgkxIMpZTkXqFo0H6pDwhZpdYqMYvLhPvWA5?lc=UgxA-4LYvwrnonXuXsZ4AaABAg


so far Snapmaker seems to have a good trackrecord, and has earned the trust of many, as their successful u1 kickstarter showed.
they promised to opensource large parts of their by end of next month. Lets see how that turns out https://support.snapmaker.com/hc/en-us/articles/33344279396759-Snapmaker-U1-FAQ#h_01K4VWF124M7HRBZEB4SS4EM09
From the provided link, running out of days to keep that promise.