Viewport3D.com
Daniel Lehenbauer's Home Page

Books:

• WPF Unleashed

Blogs:

• WPF 3D Team Blog (old stuff here)

Code:

• 3D Tools for WPF
• Samples from WPF Unleashed

Tools:

• Designers and Exporters for WPF (includes several options for 3D)

Videos:

• Interactive 2D Controls on WPF 3D Surfaces
• 3D Intergration in WPF
• Demo of Avalon 3D (on historical interest only)