This summer, we are refreshing the entire lineup of our 3D printers. The new Prusa XL+, CORE One+ (Gen 2), and CORE One L+ bring cleaner print starts, better-looking surfaces, easier operation, and improvements based on feedback from users and the...
https://github.com/ArmoredTurtle/BoxTurtle
There are open designs. I know this one used to be popular.