Short version: I’ll build a 3d printer one day, but for now I’d like to build an extruder/hot end to tinker with. I’m sure I have most all the parts downstairs and I have a lathe and cnc mill.
What types of stepper motors are you folks using with your hot ends? I would like to see if their ratings match anything I have downstairs.
How is the feed controlled? By gcode or the printer’s firmware?
Can you point me to any avr-based diy printer control boards?