@langleyjij I’d sculpt detail on the retopo mesh, using Multires, so I could bake from Multires. The copy of the retopo would be for safety measure, just in case I’d mess up 😉
But you can give the other method a go, for testing (on a simple model) and see how that goes.
Might give some weird baking results, I don’t really know…theoretically it should work, I think…
