Paddy Donnelly has created some awesome web icons, well in Origami style. Check out a few below. You can also download them from his blog.

One can download these origami icons in transparent pngs, and the PSD and EPS files.

Web 2.0rigami [All files, PSD, EPS, transparent pngs]

Web 2.0rigami [Transparent Pngs]

Web 2.0rigami [PSD file]

Web 2.0rigami [EPS file]