Allow a wide range of rotation (ideal for shoulders and hips).

: Think about how your robot moves. Place spherical joints at the shoulders and hips, and use "cables" or pistons to show how limbs articulate.

Robots are a popular subject for sketching, and can be a lot of fun to draw. Here are a few tips to help you get started:

: Use 1-point, 2-point, and 3-point perspective grids. Mechanical objects demand rigid structural alignment to look realistic.

Creating perfect digital perspective grids and mirroring symmetrical parts. Photoshop / Clip Studio Paint