Viewport3D Resources
Texture Coordinates (by Daniel Lehenbauer)
Auto position a Viewport3D Camera for Full view (by Pavan Podila)
Begin Viewport3D with a cube (by Codegod)
Viewport3D Primer (by Dario Solera)
Viewport3D Tutorial (by Mike Hodnick)
Flippable 3D List Items in WPF (by Ian Griffiths)
Hellow, 3D! 2D TextBlock Materials (by Charles Petzold)