Free graphics aren't written on stone in Microsoft PowerPoint. Many will allow you to ungroup all the pieces, use what you want and delete what you don't.

This tutorial will show you how to create a stunning animated 3D Picture Cube in Microsoft PowerPoint - A cube that is bounded by six images.

If you're missing the mark when creating 3D shapes in Microsoft PowerPoint, you might be skipping a step. Learn how to apply simple 3D effects by creating a few arrows.