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Stuck at home, more time to work on projects that are not what I usually do!
This is not a painting, but I used gesso and modeling paste to coat a 3D project to achieve a totally smooth surface.
I just sanded it down to be smooth. But I’d like to wipe it off with a damp rag to get the rest of the dust off before any further painting and acrylic / latex coatings. It was SO much work I don’t want to risk softening it.
No, gesso and modeling paste are permanent once dry. Neither will re-activate or rehydrate like watercolor, gouache or poster paint (tempera).