[DustyPorViva]

We shouldn't have to. We have no idea what kind of scale of numbers to give.
How the layout will be or anything similar.

I really suggest taking a look at pixelation and seeing how they do pixel collaborations. Remember, even if you don't get a lot of members working on it, in the end the same members can do more parts. The layout isn't the hard work, so there really isn't a reason why a layout shouldn't already be done.