I started this project after finding out you will need a separate 2818 controller for the after market Halo Rings to work.

So i decided to use the existing 5050 Controller i use for the Transformer Light Up Hood Ornament which can be found here : https://www.thingiverse.com/thing:4002084  and here: https://www.myminifactory.com/object/3d-print-105857 

You will need 1 roll of 16.5 feet of 5050 RGD leds.
Transparent Filament.

The 60mm version allows you to add 2 strips folded on to each other,
The 90mm version allows you to add a single strip.
the 90mm v2 allows you to add 2 strips folded on to each other.