Do not sculpt the palm as a flat board. It is a curved, mitten-like shape. The carpals (wrist bones) form a rigid block, while the metacarpals form a flexible arch. When the hand grips an object, this arch deepens. When the hand splays open, the arch flattens.
Take a screenshot of your current sculpt in ZBrush or Blender.
Before worrying about veins or skin wrinkles, you must master the "block-out". This process simplifies complex organic shapes into two levels of geometric forms: arm and hand in motion by anatomy for sculptors pdf better
Selected expressive poses are captured from multiple angles, allowing sculptors to see the "hidden" side of a movement.
Mastering Dynamic Form: A Deep Dive into "Arm and Hand in Motion" Do not sculpt the palm as a flat board
: While it focuses on the arms, the book surprisingly includes detailed anatomy of the chest, torso, and back to show how they interact with arm movements. Digital vs. Physical: Choosing Your Format You can find the book on the Anatomy For Sculptors web store PDF Version Hardcover / Paperback Versatility
The Arch System: The hand is never flat. It consists of transverse and longitudinal arches. When the hand closes, these arches deepen. When the hand grips an object, this arch deepens
Find tips for in a "relaxed" vs. "gripping" pose