Summary
A simple derivation of Lamp Number 1.
Instructions
Takes one LED light with a diameter less than 30mm
I used Everlasting Glow Water Lights Submersible Color Changing LED Light from Bed Bath and Beyond
I recommend using a translucent plastic.
STL (Stereolithography, filesize: 5.89 MB), IAM (Autodesk Inventor, filesize: 4.97 MB)