[fewerjunk]

![Screenshot_20200119_234920](https://user-

images.githubusercontent.com/284644/72687091-a31e0c80-3b1c-11ea-8e43-0ca2f031e959.png)

Originally posted by @portnov in #1 (comment)

As best I can make out, I've got all the nodes. I can't be sure of the input of some nodes, there's more than one possibility (the Inverse option, one example.

Is there a gist I can try for this, just to see if / where a mistake is?

Thanx

If this helps:

https://pasteall.org/media/b/5/b5bfb34bc2eb14ea5046f0d54f04e65c.blend