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How does this work without limit switches? I dont want the motors to run past the length of the rail, causing problems! Also, how do you calibrate the speed of the print, say if you are using a more powerful laser (1.0 W) and you dont want to set stuff on fire... No limit switches are used here so how do you zero the axes and keep the print from going larger than the print area? Also, how do you calibrate the step/mm because with the 53.333 step/mm command given in the project the movements is not properly scaled to the commands. If i put in X10 it will move more than 10mm... Thanks...
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