Style A, Volcana building

Here I managed to rectify the problem of having too many layers within a group mask which I had been experiencing in previous concepts. I did this by starting with the darkest tone first for an object, then creating another layer where I put the lightest tone, then making another layer to soften the two layers (darkest and lightest). I also created a new mask for every new object with a mask shape (e.g. windows, doors, etc). I also developed a way of shading by starting with a pressure sensitive soft brush and then erasing bits of it using a custom pressure sensitive brush.