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  • Dave Nelson thinks this is interesting:

You should always check your Z-height before printing for the first time on a given day, or when you have changed the print surface (especially if you switched print surfaces, since the surface can be a different thickness), or whenever you have performed any manual movement of the axes.


Cover of Maintaining and Troubleshooting Your 3D Printer


I print a 3mil high test cube at the beginning of each day