When I post an actual shader (either screen shot or material file) as an attachment in a forum, it means you can do anything you want with that so long as it is sold or given away as part of a prop or figure. In other words, don't collect postings in Rendo and sell them as material sets. You can make a dress and sell the dress, which happens to have shaders you learned or found in Rendo or RDNA forums. I like to see people include a link to where you got it in the product or freebie's ReadMe file.

When I link you to free shaders on my site, such as the sequins, you have to ask for permission. But in almost all cases, I apply the same rule. If you want to sell that dress, or give it away, and you want to include my sequins shaders or any derivatives you may create (such as making your own color choices), consider this permission to do so. Please include a link to the site where you got it (or the basis for what you made).

If you make shaders from matmatic scripts I've published over time (free ones in forums or those included in matmatic such as the Loom), those shaders belong to you, even though I gave you the code to make them. The resulting material files are yours to do with as you please and you don't have to talk to me or even credit me.

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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)