The skull of a biker in a helmet is made in the form of a ring. The model is solid and available in .stl and .obj formats. There are 3 ring files available for loading (inner diameter of the ring, mm): 16, 18, 20.The following US ring sizes are also available for download: 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13.

925 sterling silver ring weight: size 16mm - 15 g // size 18mm - 21 g // size 20mm - 29 g.

The sizes of the rings are shown in the photo.

The model is adapted and ready for printing. The file has been successfully checked for 3D printing errors by Autodesk NETFABB.

Please, if you have any difficulties, immediately write to me. Together we will solve the problem.

Dear customers, thank you very much! Thanks to you, I am growing. Thank you! :)