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ok ramps 1.4
I’m not using small divers I’m using external drivers and there set to 1/16th (3200)
stepper motors a 1.8 step angle
now the lead screw is tr12, 3mm pitch 4 start
Travels 12mm (0.4724″) per revolution
have it set now as 425 but 1mm to 3mm off still as y and x