Thin dimond stone adapter for firstgizmo's Knife Sharpener

Adapter for these stones: https://www.aliexpress.com/item/1005006191330572.html or https://www.aliexpress.com/item/1005007871500871.html or https://www.amazon.com/dp/B09WM9NCK3 Glue using superglue the magnets. their dimensions are 12mm diameter and 2.75mm height. You adjust the magnets size if you have different ones using the attached freecad file, it has the dimensions in a sheet there.