While gesture provides the soul of a sketch, construction provides the skeleton. Hu emphasizes the use of simple 3D forms—spheres, cylinders, and boxes—to build complex subjects.

This structural approach allows artists to draw from imagination because they understand how forms occupy three-dimensional space. The Power of Pen and Ink

A hallmark of Charles Hu’s dynamic sketching style is the use of felt-tip pens or fountain pens rather than pencils. This choice is intentional and serves several pedagogical purposes:

for your art (e.g., building a portfolio, hobbyist improvement)

Quickly blocking out character interactions and camera angles.

If you tell me what you're working on, I can help you apply these concepts: