Makerbot Calibration for DC Motor Extruders

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This tutorial provides a spreadsheet and procedure to set up Skeinforge parameters for calibration of MakerBot 3D printers with DC motor extruders, such as the MK4 and Mk5. To begin, measure your extruder's volume flow rate output at specific PWM levels and temperatures. Next, input these values into the provided spreadsheet, followed by selecting a desired layer height and single extruded filament width. After that, enter feed rate and W/T values into Skeinforge. Finally, verify the accuracy of your calibration against a thin-walled test piece before printing. Follow the detailed instructions in the attached PDF for more comprehensive guidance.