Wire3D is an object oriented, multiplatform 3D engine written in C++, featuring:

• Platform independent rendering, supporting Wii (Homebrew) and PC (DirectX)
• Minimizing render state changes
• Automatic displaylist (Wii) generation of static meshes
• Scene graph (optional) with a modular extendible design, including:
• Hierarchical culling and Controller system
• Render state, Light and Effect handling
• Transparency, Render state, Material, Depth sorting
• Custom nodes (LOD, Billboard, ...)
• Vector, Matrix, Quaternion lib with Wii specific implementations
• Object system and Containers

• Bullet Physics engine integration (Wii and PC)

• Project files for
• Wii: Visual Studio 2005, 2008, 2010, Programmer's Notepad 2 and Makefiles
• PC: Visual Studio 2005, 2008 and 2010
• Includes Sample programs that serve as tutorials

Check out this guide on how to setup the framework.