CrystalScape is an application that delivers high quality 3D representations of chemical structures. The intuitive interface makes it easy to interact with a huge variety of materials from minerals to proteins to conceptual nano machines. A feature rich toolset is provided which includes: polyhedral and ribbon display modes, geometric measurements, molecular surfaces, crystal shapes and diffraction pattern computation. If you are looking for a presentation or teaching aid, or just exploring the atomic world, CrystalScape has something for you.