Friction back Free 3D print model

Good day, I would like to present a 3d model of jewelry, all parameters are described below. Ask me any questions. Good luck :3

The friction back 6.7mm diameter\post, for 1.1mm screw thread. If you need this model for a different size - write me, I’ll make it.

• Volume Total: Full volume for one back - 64.2500803.

• Physical size of the model: 6.70mm x 7.2mm x 5.5mm, screenshot attached.

• Metal weight: Silver 925 - 0,67 gram. Gold in 585(14k) - 0,83 gram. Gold in 750(18k) - 0,98 gram for one friction back.

The file has been checked for errors and is ready for printing, screenshots are attached.