I use a post process with a material to give a marine effect, so I activated the “stencil” and I activate / deactivate the effect of post process on my jellyfish (my character) because he must not suffer the 'effect.
My jellyfish is a 2D flipbook, I attach the materials, the rendering, the node and the flipbook as an attachment,
my problem is that as you can see in attachment, my jellyfish is duplicated, I get one with the effect and a second without …
I do not see why I’m getting this …
The material of Post process:
the node for enable/disable stencil:
And the FlipBook: