Pixel perfect in Papervision3d

Did you ever wonder how to create a pixel perfect animation in Papervision3d? I designed my portfolio site in Photoshop, but when I tried to integrate the 3D effects I spent a lot of time in changing the zoom and focus length to match the exact dimensions. And even then they were not perfect.

I found an easy solution here. Just change the z property of your 3d objects like that: