Adafruit's single NeoPixel
thingiverse
For laying out things in 3D, its handy to have simple models of the parts.
Download Model from thingiverse
With this file you will be able to print Adafruit's single NeoPixel 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 Adafruit's single NeoPixel.