Heh, yeah Dan has been MIA for a while. But he did leave good instructions, shouldn't be too hard to figure stuff out.
About calibration: i think that what is mostly needed is to tune the DEFAULT_AXIS_STEPS_PER_UNIT. I'm using
#define DEFAULT_AXIS_STEPS_PER_UNIT {80, 80, 80, 80} as that's what Dan has in his firmware and it should work with the A4988 stepper drivers. If not, then just change those values until it produces proper movements. Another thing is the Z-axis offsets, but as i haven't used Marlin ever before I don't know if there's a setting that can be tuned without changing the code and re-uploading the firmware.
Also i'm using latest stable version of Marlin firmware and that's bit different compared to what Dan was using. I think i got the values set up right, but that's to be seen when i get enough time to finish the installation, maybe this weekend.
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