Another blank makers coin I made in Fusion 360 that you can use as a base for your own design.
Import into tinkercad.com if you don't have any 3D package yourself and you can reshape or add text and other design elements.

https://www.youtube.com/watch?v=-ERcxMJ7DXs
https://www.youtube.com/watch?v=7d5P-\_8J0Yk

Print instructions

Print Settings

Rafts: No

Supports: No

Infill: 20%