CD or DVD Hub
thingiverse
This hub to allow use of CD's or dvd's for projects. The center is just under 3mm diameter and is designed to fit snuggly on small wood skewers.
Download Model from thingiverse
With this file you will be able to print CD or DVD Hub with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on CD or DVD Hub.