Draw a rough hand shape with a palm and five finger guides
Sketch the wrist as a narrow opening at the bottom
Block in the palm as a slightly curved, irregular shape
Add the thumb base on one side of the palm
Draw the finger bones as segmented lines for each finger
Make each finger slightly bent for a natural pose
Add the knuckle joints as small rounded bumps
Draw the phalanges with clear bone sections
Shape the fingertips into small rounded ends
Connect the finger bones to the palm with metacarpal shapes
Refine the bone outlines with sharper edges and curves
Add the wrist bones and lower forearm connection
Erase the sketch guides
Darken the final lines
Add shading between bones and under overlaps
Add small cracks, contours, or texture to the bones if desired