How to turn a mesh with added decal into a new mesh.

[Quetzalcodename]

Hey @lievengo! Welcome to the forums!

Check out this answer from another thread that seems to be what you are looking for (there is a video included in the answer):

How to "bake" a decal onto the surfaces?

Baking decals would imbalance the benefits you get from them. In the case of overlapping them on a tileable texture, for instance a brick wall with graffiti you would have to bake the whole wall texture + the decal and merge it into once big texture. You would dramatically increase texture memory usage. The only way this is feasible would be through virtual texture maps. You can layer in texture samples and mix them with a lower gpu footprint. But in this case it probably wouldn’t be a decal bu…

I hope the above is the solution you need!