There was no point in putting a copy of MatmaticDemos in your pose folder.

My point was that you could simply comment out the scan command for the pose folder and it won't look there.

At the time you posted above, matmatic wasn't able to find either folder. That's why I said to comment out both of them.  But if you have MatmaticDemos somwhere, you should have a scan command for it, using the true path. You can only use the shorthand (partial path starting with Runtime) if the folder you're talking about is in your main runtime.

Any folders outside the main runtime must be fully spelled out.

The easiest thing to do is pick some place for all your scripts and put ONE scan command line in userconfig.txt with the name of that folder and an asterisk at the end.

From then on, create subfolders in that folder for whatever project you want, and they will all be found.

Matmatic makes material files when a folder is under materials. It makes mat-pose files when a folder is under Pose. But!! Individual materials don't work as mat-pose files. They are only for material collections. And as of Poser 6 and up, material collections are supported directly and mat-pose files are not needed.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)