3D shapes, they have 3 dimensions ... Please make him stop. Right, what about triangles? Triangles become pyramids. You're now a square based pyramid with 4 triangular faces and a square face ...

Shapes with flat, angled sides, like pyramids, work best to create 3D shadows. Once you've made your selections, take your flattened cardboard box and start tracing triangles (or the shape of your ...

A prism is a 3D shape with a constant polygon shaped cross-section. A prism is named by the shape of its polygon cross-section. When the cross-section is a triangle, the prism is called a ...