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Masking multiple Particular solid layer
Hallo everybody,
I meet a problem using a multiple 3d layer composited on a multiple fog banks particular (sandwich tech).Having two 3d layers I must use a multiple particular layers, tree exactly, to use them between the two different 3d layer. It works pretty good.

But now I need to mask the tree particular fog bank to cut out some particles to match perspective scene orientation (see red mask).

I didn’t find any solution about it…
First, mask doesn’t work on a particular solid layer. Second, If I pre-compose the particular solid layer, it looses perspective set up (please, see attachments) with every set up…

In this case I have tree particular solid, as well…
So, may you suggest a solution to mask fog (as shown with red lines mask in picture 2)?Many thanks for a reply!