Ring Mandrel for wire wrapping jewelry
by OpenSourceClassroom, published
This was created to help people who like to design and build their own jewelry from copper/silver wires. There are two different mandrels: 1) Has odd ring sizes 3, 5, 7, 9, 11 & 2) even ring sizes 4, 6, 8, 10, 12. This device will help you tie the wires for various ring sizes with precision. Enjoy!
Load file and print.
You may want to print them in two separate colors to easily distinguish even and odd sizes.