As of today, two versions of the iPhone Document Scanner are up for sale at Ponoko.
Cardboard version: Laser Cut Files, Download Templates, Designs & Patterns For Free
mdf version: Laser Cut Files, Download Templates, Designs & Patterns For Free
I also have a bit of an explanation, some pictures of the scanner, and the resulting scans up in a post at my website http://www.kyleakoch.com/2008/11/iphone-document-scanner/
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