Multiple Calibration Print
thingiverse
Revise a test print with specific purpose: this calibration piece measures backlash and edge over-extrusion. Features include labeled axes, varying dimensions for testing, and rounded corners to avoid over-extrusion. Follow instructions for use: measure filament diameter, print a 20mm cube, set up slicer correctly, print at usual settings, let part cool before measuring, avoid layers on build plate. Procedure: check backlash in vertical faces, compare X and Y arm lengths, calculate thermal shrink scaling factor, reprint with scaling factor, measure repeatability of 10mm boxes, measure outside and inside edges for edge over-extrusion. Adjust software or hardware as needed to improve accuracy.
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