The file 'Self Defence Ring 3D Printer Model' is (stl) file type, size is 6.3KB.
I bought a metal version of this ring on ebay.
This is made to fit a finger with a diameter of 21.5 mm, I recomend to only print the first layer to see if the size is right.
Link to original product: https://preview.tinyurl.com/y86h6wzk
If there are any issues with this let me know, be it for the design or for copyright isues.
Self_Defence_Ring.stl | 30.7KB |