Found one after a minute of looking: https://hackaday.io/project/167446-diy-inkjet-printer
Found one after a minute of looking: https://hackaday.io/project/167446-diy-inkjet-printer
Post processing can address most of that. Pack it in casting sand and heat it up again and let it cool.
It works, but not at the level most people expect. Also, the maintenance seems a bit much still.