Bars for Bed Calibration

For a good calibration of the bed through the lower screws, you can print these three bars by seeing if they are lifted during the printing process or lift only one so as to act on the appropriate screw.

3D Print: FLASHFORGE Finder with Lokbuild surface ( http://www.lokbuild.com )

TimeLapse Video Printing: https://youtu.be/hb0qVkpSZbc