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<TITLE>Calibration plate for Deltabots</TITLE>
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<H1 center>Calibration of Delta 3D Printers using a calibration plate</H1>

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One issue with the calibration of deltabots is that while it is relatively
easy to probe bed level, it is difficult to determine an accurate XY position.
If a linear-delta printer is built perfectly, with absolutely parallel towers,
absolutely perpendicular