Originally Posted by Ani_BEE
Your feathers made are foam/foam board right touchmon? Most spray paint resolve foam so if you went that route you would have to seal them first.
Also for gradient blending you can actually water down acrylic sheer the pigmentation for blending as well if you want to add a bid more colour without adding to much more paint.
My feathers are made from craft foam. I sealed them with countless layers of 2 types of modge podge and white glue that I think spray paint can't do anything to affect it right now. XD
As for gradient blending, I'm not really sure what you mean by acrylic sheer...