Hapstone Convex sharpening attachment 3D printable model by leadingedge

Hapstone Convex sharpening attachment

Source: Thingiverse by leadingedge

The Hapstone Convex sharpening attachment is a free printable 3D model from Thingiverse by leadingedge. This is a Convex edge sharpener attachment for the Hapstone M2 and Hapstone K1 sharpeners. You can download the STL file from the original listing below and print it at home.

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66 saves Source: Thingiverse Updated 2026-05-02

Tags: Hapstone, Convex, sharpening, attachment

About this model

This is a Convex edge sharpener attachment for the Hapstone M2 and Hapstone K1 sharpeners. It should also work well on the Hapstone R2, M3 and V8 versions. Simply replace your rear stone holder (the holder closest to the handle) with my convex attachment, and you will be able to sharpen your knife to a convex angle. If you find my designs useful, please go ahead and click on "Tip Designer" to the right of the photos at the top of this page. Proceeds will be used to purchase printing filament so I can keep designing and testing cool new things that you might find useful. Thank you! NOTE: Some of my other useful designs:

Frequently asked questions

Is this 3D model free to download?
Yes. Hapstone Convex sharpening attachment is free to download from Thingiverse. Click the "Download free STL" button above to open the original listing.
Where is the STL hosted?
The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by leadingedge.
Who made this model?
Designed by leadingedge, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?
Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

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