Quote Originally Posted by m_c View Post
That CNC shield is just a glorified header board, with pinouts optimised for grbl. You could just as easily use it for 3D printing.
Regardless, what I was highlighting was the more stringent requirements for CNC.
True that! But you wouldn't as you'd have to add thermistor control, heated bed, heated nozzle... and to be in line with today's cheapest printer motherboard (the RAMPS) you'd also need to add on extra for servo control, LCD and SD integration etc.
If you had one already it'd be interesting turning it into a printer driver but you wouldn't purchase one for printing, especially as said RAMPS is about £18 including the necessary drivers and LCD/SD :)