Dual Nozzle Calibration Test Pattern in Openscad
thingiverse
Test pattern used to align nozzles on a dual nozzle printer. Zero based line is marked with an extra line, increments are 0.1mm in both directions. Layer height is 0.24. Original idea from sailfish firmware, described here: http://www.sailfishfirmware.com/doc/tuning-dual-extruder-calibration.html Instructions on how to use slic3r to print with multiple extruders: https://erik.nygren.org/2018-3dprint-multicolor-openscad.html Openscad design file included so you can modify for your particular situation. STLs provided for 200mm and 300mm beds. I have also included a 3mf project file with the two stl files already aligned.
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