This is another one of those 'depends' sort of questions. For me its something like this: traditional character, games: Common workflow of 1. block in 3d app, 2. sculpt, 3. retopo for low. traditional character, render: 1. block in 3d app, 2. sculpt, 3. retopo high, 4. continue sculpt, 5. either use retopo or a derivative…