This napkin ring is available as a 3D model in STL and OBJ format for 3D Printing.
The internal diameter of the napkin ring is 32mm (however the model can be scaled to any size before 3D printing).
Please feel free to ask any question about this model or any project you have in mind. Also check out my profile by clicking on my user name to see other of my projects.
Have a nice day!