Contains the core QuickDraw 3D software. This extension enables applications to make use of QuickDraw 3D: it requires a PowerPC computer. QuickDraw 3D is a cross-platform application program interface (API) for creating and rendering real-time, workstation-class 3D graphics. It consists of human interface guidelines and toolkit, a high-level modeling tool kit, a shading and rendering architecture, a cross-platform file format and a device and acceleration manager for plug and play hardware acceleration.