Jointer knife sharpening jig
thingiverse
A jointer knife sharpening jig, customizable for whatever dimensions your jointer knives are. You'll need 4x M3 nuts, and 4x M3 screws (12mm long worked for me). Make 100% certain you print it standing tall, not flat! Otherwise tightening down the screws may cause it to delaminate. Bonus: if you have a leather strop and polishing compound, you can strop your jointer knives by removing one of the knives from the jig! Edit: Now featuring configurable # of screws!
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