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Work Sharp Precision Sharpener: Clamp Support
Another Work Sharp Precision Adjust sharpener improvement from Printables:

WorkSharp – clamp support Although the blade clamp is a snug fit in its socket, it has enough
stick-outcantilever to move slightly even under minimal force from the diamond tools.I added a thin cardboard shim, cut with a utility knife (!) and stuck on with a craft adhesive sheet, as the block was about half a millimeter upward with the clamp turned this-a-way and half a millimeter downward the other way. Your mileage / setup will certainly differ.
I like the sharpener, but it’s much fiddlier than I expected.