firework

Use the color bars effect on the matrix, in the dark. 3D model going to have to wait for another day. Note: The longevity of this particular thing is not established. Not wind-tested, UV tested, or anything like that. Admittedly, it's sus.

Use the color bars effect on the matrix... 3D model going to have to wait for another day.

Complete - one color per strand

Getting there, lights are through holes and in tubes

Zip tied the 20 strands, start sliding them into the tubes, use a small ramrod to push the end ziptie down into the tip, if needed. Hot glue to hold.

Using the controller to measure off lengths of 25

Lights will be 25 per tube, "alternate". Use the controller as the measuring device, I put in a matrix vertical 25 per strand and made the strands different colors to make it easy to count.

Gut the cheap fixed color LEDs out of the tubes.