Fun level:★★★★★ Usefulness: ★☆☆☆☆
Here is something I've been doing as a hobby. From the default Noise node in Nuke, use all kinds of creative ways to generate cool looking patterns. Some nodes I love to use for this are: Edgedetect, merge(difference), TimeEcho, HSVTool The breakdown is in the second half of the video. Enjoy!