This STL file is a free digital download below. 

No physical product is shipped.

The original riser upgrade V2.0 developed at Seriously Fast Sharpening for the Work Sharp Ken Onion MK.1

Compatibility:
✔ Fits the Work Sharp Ken Onion MK.1
✖ Does not fit MK.2 models.

Click here to download the FREE STL file.

V1.0 (the original) is also available for free.

Recommended Print Settings:

- PLA or PETG
- 0.2 mm layer height
- 20 - 40% infill
- Supports ON (Tree Recommended)

This STL is free because sharpeners helped us grow, we appreciate other sharpeners and have respect for this industry.

Enjoy this free file and more to come!

Licensing Notice

Work Sharp Riser MK.1 V2.0 © 2026 by Seriously Fast Sharpening is licensed under CC BY-NC-ND 4.0