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how can I make burning letters that overflow the edges?
I would like to have some letters burning on a doorway, but although it would be easy with a track matte or masks, I want the burning to overflow the mask for the letters (like flames licking the outside edge). With a mask and fractal noise for the flame, it will be underneath and constrained by the mask edge – how do I make it so that it also overflows the edges of the mask?