I just thought of an amazing alternative to the RepRap motherboard that doesn't need a computer to drive it: the BeagleBoard! This way, you could have it interpret the G-code directly and quickly (as opposed to MakerBot's way of doing that work on the computer and then sending different, simpler commands over the serial lines, keeping the heavy-lifting off of the µController). In my hypothetical setup, the stepper drivers would be run directly from the computer, like how most CNC machines ar...
