LightPainting Modular Orb Tool

This is a lightpainting tool to create orbs.
An orb is created by rotating a light in a circle, and then rotating the circle around its center. Usually this is done with an LED or torch at the end of a string, but i wanted to design something more sturdy and more flexible. So i came up with this design that can be modified at will to create a lot of different orbs. It is also designed that the end of the rotating axis has room to the sides, so you can use wider light sources then you could if the support axis would have been straight down. I did this because the center of rotation should be in line with the center of the circle you paint with the light.

The orbs in the title image are created by putting two bars of 8 WS2812b LEDs at the end and controlling them with an arduino in the center. I included the example sketch if you are interested in the code for those orbs. The sketch uses the FastLED and ClickButton library which are easy to find.

I created:
A pipe end to hold tw