Radius keepers prevent files from making score marks in the corners/radii while slotting out (m10 nut for scale).
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Example usage
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knoba
Stuff I've made and other bits (click "knoba" to see more)
Radius keepers prevent files from making score marks in the corners/radii while slotting out (m10 nut for scale).
~§~
Example usage
•••
knoba 