The 3D model is OBJ. It has no UV-maps added to it. This ring's inner circle is 17,5mm wide (size 7).
Circle Lightning Ring 3D model
Please do not sell or distribute this 3D model to others.
The 3D model is meant purely for personal use - play with it, print it in any material you like.
Pixel Depot is not responsible for botchered 3D prints. The 3D models are meant to be printed in steel. Any other print material might cause issues.
Have fun printing/wearing them!