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MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.

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Thank you so much! I have been pretty fool on ramps 13 and the acceleration value! Now I understood how to calculate default_axis_steps_per_unit. At the moment I'm able to move motors, but I'm quite confused about homing because I had to invert motor's connections to get it ... I'll try to explain myself better: If in Pronterface I click Z home I get the right movement to z-min endstop, If I click X home I get a movement to the x-max endstop and if I click Y home I get a movement to the y-max endstop... But, concerning Y axis, by clicking Y+ I obviously get a -y movement! Should I invert the y motor connection? Or is this right? I don't understand If I should look to xyz cartesian reference or I should look as home directions the endstop positions, I also don't get how to measure real coordinates of hot end and print area :-( . I'm really sorry for these stupid questions, but this is my very first experience. I hope you can forgive me Lord Thorgal! ;-)