A Biomechanical Character - ZBrush Creature Design: Creating Dynamic Concept Imagery for Film and Games - page 368

Figure 6-43: The new arm geometry transferred into ZBrush
Adding Muscle Tissue
At this stage, I want to add some muscle tissue to the rest of the body that is intertwined with the mechanical
parts. As it stands, the head is the only organic element in the biomechanical character. Using a Polysphere,
we will sculpt the pectoral muscles connecting the mechanical arms to the chest chassis ( Figure 6-44 ) .