Yeah, I already played with that. 
I can get my x & y axis to move at 21000 (350 mm/s)! Which is way more than I thought it would do. The acceleration parameters must be well tuned.
I didn’t finish my experimenting with the Z axis. I would guess that it can go faster down than up with the aid of gravity. It may also have trouble with overshoot the ends of travel.
By the way, why do none of the m codes that are supposed to return information in the console not show anything? Does a special m-code have to be executed to turn that on?
It was interesting to see the results of trying to move all three axes at once. The z-axis would be the limit. It would get a little jerky.
And then there is the question of the print head limit!!! Do you want to save me the trouble of experimenting on that one and just tell me what to expect? I assume SM has done some testing on just how fast it can print. 
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