I'm new to Gimp and i'm trying to find a way to duplicate in gimp a
procedure that I've used in Photoshop.
In photoshop I use extensively the layer grouping because layer's advanced
blending knockout options.
I know that layer grouping is not possible in Gimp, but I also can´t find
similar options to knockout blending.
How can I, using Gimp, set a knockout layer?
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