V Carving Not Matching Saved Toolpath

Novice XXL user here. I’m making some Christmas ornaments and have made a few batches successfully, and then this happened. The spacing is completely off from my toolpath and design. I can’t figure what the life of me what went on. I did increase federate by 10% in Motion at hubby’s recommendation but could that have caused this? Any help would be hugely appreciated!

Looks like a disconnect in how zero is set relative to the file, and possibly a mechanical issue with lost steps.

Please check:

It is also important to be sure that the collet is correctly tightened, the endmill fits correctly and doesn’t slip, and the router is mounted securely in the mount, and that the mount doesn’t shift. Note than endmill pullout can happen gradually, especially when profiling against tall walls.[4]

Also feeds and speeds may be a consideration: https://docs.carbide3d.com/support/#tooling-support and see https://www.youtube.com/watch?v=S9bceJxpqG0 for concepts on this and https://www.precisebits.com/tutorials/calibrating_feeds_n_speeds.htm for a testing technique and see the series #MaterialMonday: #MaterialMonday on YouTube

Beyond that it’s usually a matter of ​Calibration and Squaring the Machine c.f., http://docs.carbide3d.com/shapeoko-faq/how-to-calibrate-the-machine-for-belt-stretch/

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