Lackadaisy Construction. All About Shadows. Well not all about them, but this should help point you in the right direction.
I’ve had a few people ask about the construction of shadows. I’ll talk about two types here and I’ll be up front here – I won’t cover every situation or even more complex scenarios, but the principles here will help you construct fairly accurate and believable shadows when sketching. Shadow? Shadows occur when an object obstructs the path of light. Drawingstuff.jpg (700×5000) Hand: Proportions. The hand. The hands are a notorious source of frustration. This section won't concentrate on the muscle structure, since the hand is very complex in this regard, and knowing this won't help much in drawing them. Instead, we'll look at proportions, range of motion, and possible simplifications. Structure and proportions Figure 2.20. Bone structure and proportions of the hand.