Wow! That matrix looks awesome!
I would love to see an equipment list...
What pattern is used in the 3th video?
The ceiling contains 980 WS2811 modules, with 6 eventdesign dmx to spi converters, driven by 3 cuecores. The fourth cuecore is for the misc stuff.
The effect in the third video is a :
gradient lineair (gobo 8 )
misc-2 fader @ 100%
gobo rot @ 20%
position FX : figure 8 / size @ 60% / speed @ 20%