Custom Alphas in ZBrush tutorial

Now that we are all hyped and excited about incoming ZBrush 4R8 and it’s 3D alphas (vector displacement), I wanted to take a look how we can take advantage of 2D alphas. This stuff is nothing new but I think it’s good to realize how we can create our own custom alphas and potentially save a lot of time when making high poly models.

What I wanted to point out in this video is that if main use of high poly model is to be baked down to low poly and normal maps, everything doesn’t actually have to be 3D. Normal maps won’t be able to capture overhangs anyway, so basic hight detail is enough, and can even help with AO baking.

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