Chinese Kitchen Chop Knife Sharpening Holder

This fits chopping knife of blade width 8.5cm and balde ridge 5mm thick. .
By placing the knife holder and sharpening on a stone, the blade edge is maintained at 19 degree (per side) for optimal cut.

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/d0fmcLRH9tc