Foam might look simple at first glance—a lightweight, spongy material you’ve probably handled countless times—but in the world of sculpture, it transforms into something extraordinary. Welcome to Foam Basics, the ultimate starting point for exploring the endless creative possibilities hidden within this versatile medium. Whether you’re carving out bold geometric forms, shaping lifelike figures, or experimenting with abstract textures, foam offers a foundation that’s as adaptable as your imagination. Here, we’ll uncover the essentials, beginning with What is Foam?, a deep dive into how this curious material is made and why it’s become a sculptor’s dream. You’ll then journey through the many Types of Foam—from EPS and XPS to polyurethane and EPP—each with its own quirks and artistic potential. Along the way, we’ll cover Foam Safety & Handling, ensuring your projects stay as safe as they are inspiring, and equip you with a Tools & Materials Guide to bring your visions to life. Think of this page as your launchpad into foam artistry—where the basics spark the bold.
What is Foam?
Foam is one of those fascinating materials that hides in plain sight—something you encounter every day without realizing how much potential it carries. From the cushion on your chair to the packaging that protects your favorite gadgets, foam is everywhere. But what exactly is it? At its core, foam is a structure made of gas bubbles trapped in a solid or liquid matrix, giving it that light, airy, and sometimes