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This model is what I designed to help me calibrate the steps/mm and alignment of my printer. I found that the error on a standard 25mm cube was greater than I liked, and I'd often forget how it was aligned, so I wouldn't know if the corrrections applied to the X axis or the Y axis.
This model is 100mm in each direction, and has axis markings on each arm.
My first test with this print had X=99.7mm, Y=100.02mm, Z=100.00mm. Pretty close, I'd aim for no more than 1/1000 error (i.e. 99.9-100.1mm). For the angular alignment of the axes, my XY was spot on, but XZ and YZ were both off by about 1mm over the 100mm span; should aim for less than 0.5mm over the 100mm span.
Calibration Axes by ssaggers is licensed under the Creative Commons - Attribution license.
So what's this mean?
We're sure ssaggers would love to see what you've printed - take a photo and share it on Thingiverse as a Make.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. You can also download the Thingiverse Mobile app (available via Google Play and Apple App Store) to take a photo and upload your Make right from the app!