Yes, absolutely. Just needs one motor per digit.

It is digital because it has digits instead of pointers. It is also digital in the sense that it has discrete states.

In the cases you describe it should fail by ruining the print, not the build plate though. If there is something between the nozzle and the plate, it will be too far away from it after calibration, not too close.

This project is now on Printables!

Here you go!

Yes! 🤓