Cool 3d printed customizable DIY jewelry with detailed build guides

If you want to 3d print something for a special somebody and surprise them with gift you made YOURSELF and it is an unique piece .. well ... let me tell you, there will be some rewards ...

Here are two nice projects with very detailed build instructions:

Earrings shaped as audio track you choose:

You can use any word or tone and make different pieces. Very cool.

Build guide can be found here:
http://www.instructables.com/id/3D-Printed-Audio-Jewelry/?ALLSTEPS

Customizable pendant:

Here is a nice tubular pendant you can fill with different materials and use it in a necklace.

Build guide can be found here:
http://www.instructables.com/id/Customizable-3D-Printed-Jewelery/?ALLSTEPS