Circular Printbed Calibration Pattern

thingiverse

This printable pattern checks proper settings of print bed and first layer, particularly beneficial for filaments with poor adhesion. Use the large pattern post-bed leveling or for suspected uneven areas. The small pattern serves a similar purpose. Ensure to select "Fix Normals" before slicing in certain Repetier Host versions. Follow instructions from a related design (http://www.thingiverse.com/thing:111720) and utilize tools like tweezers and quick printer shut-off for optimal results. Set print bed away from the hot end to prevent crashes, print without adhesion aids, and be prepared to cancel the print if necessary. If the pattern doesn't appear as circles or drags at corners, adjust and reprint. The diameter can be adjusted with 'objDiam', while 'height' should be first layer height and 'ringthickness' sufficient for multiple passes per segment.