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This open-source printer you can repair yourself is powered by a Raspberry Pi Zero W
(www.xda-developers.com)
this post was submitted on 30 Sep 2025
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This question comes up a lot. 2D printers are actually significantly more complex thans 3D printers. The rrason 3D printers game much later was a materials problem and the fact that there was already injection molding which gives much better results for production, which means it took a while for big players to see the value in it. Here is my further comment on another post:
"Tons of 2d printer challenges.
The ink jet head at a resolution of <50um (as opposed to 3d printing resolution of usually >200um)
Combined with printing on many different surfaces and such: cardstock, printing paper, glossy, weights, stickers, etc...
This project "cheated" (I mean that not in a negative way, tons of open source hardware projects use proprietary components, my own does too for now) by using a proprietary ready-mades printhead, which saves the most cost and effort of the whole machine, and is the component that causes the most issues, generally.
I definitely want to try this out too."
https://feddit.nl/comment/20418339