3D Printer Calibration Piece With Pegs

by larsrc Jan 15, 2018
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Thanks a lot for the model. I printed it to check the accuracy and the straight part fits after using some elbow grease. I later checked the CAD file and realized that it should not fit as it is not possible to fit a 3mm object in a 3mm hole. The file should be modified to include some tolerances and typically 0.2mm on average should be added.

With a perfect printer, you can fit a 3 mm object in a 3mm hole, by definition. I got to that after reducing my Perimeter setting in Slic3rPE. I've added a tolerance parameter to the OpenSCAD file, and uploaded versions with 0.1 and 0.2 mm tolerance. See how close you can get.