Polyball 120mm

The Ultimate Lightweight Core for Large-Scale Projects

When your model making reaches a larger scale, weight becomes your biggest enemy. Our 120mm polystyrene balls (also known as 12cm polyballs) are the professional solution for creating high-volume shapes without adding the heavy mass that leads to armature fatigue and animation challenges.

Designed for durability and extreme lightness, this 120mm sphere is an essential structural component for any professional stop-motion studio or hobbyist toolkit.

Why the 120mm Polyball is Essential:

• Save Massive Amounts of Material: Using a 120mm core allows you to build large characters or props while using only a fraction of the plasticine or clay normally required.

• Master Large-Scale Animation: A solid 12cm clay torso would be too heavy for most armatures to support. This lightweight core prevents models from becoming top-heavy, making them easier to balance for complex frame-by-frame movements.

• Reduce Structural Fatigue: By keeping the internal weight low, you significantly extend the lifespan of your twisted aluminium wire armatures, preventing joints from sagging or snapping under pressure.

• Professional Set Design: At 120mm, these spheres are the perfect base for creating oversized boulders, structural planetoids, or spherical set pieces for high-end scenic displays.

While the 120mm size is our go-to for large-scale character cores and set dressing, we offer a full range of sizes to suit every detail of your build:

• Small (20mm – 40mm): Ideal for heads and delicate stop-motion props.

• Medium (50mm – 80mm): Perfect for standard torsos.

• 120mm Large: The professional choice for maximum volume and structural stability.

See only full range of Polystyrene Balls here. For the best results use together with our Animation Wire, and Milliput to create reliable stop motion puppets.