Every great product you see — from your favorite smartphone to an ergonomic chair — went through many versions before reaching perfection.

Design isn’t about getting it right the first time; it’s about improving every time. This process of testing, receiving feedback, and making changes is called iteration.

In this lesson, you’ll learn how to look at your work critically, listen to feedback from others, and refine your 3D design to make it stronger, smarter, and more user-friendly.