The "open" repairable printer that isn't open source and has no working prototype yet (opentools.studio)
OpenPrinter pitches refillable HP-compatible cartridges from bulk ink, cut sheets or paper rolls up to 37.5 m, a Raspberry Pi Zero W and CUPS. No price, no timeline, and a crowdfunding page with no demonstrated prototype.
The teardown is brutal and expert: open inkjet doesn't exist because the hard part — the print head — is materials science nobody hand-rolls, the whole design still depends on a commercial cartridge that clogs, and its license (CC BY-NC-SA) means it isn't even open source.
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