how about 3D printer firmware marlin runs on raspberry pi directly
recently I porting marlin to raspberry pi3 with a pandaPi shield. this is the first printing. it's great although not perfect now. more details https://github.com/markniu/PandaPi
recently I porting marlin to raspberry pi3 with a pandaPi shield. this is the first printing. it's great although not perfect now. more details https://github.com/markniu/PandaPi