3D object viewer in web browsers

I am looking for a 3D object viewer for my website.

Requirements:

• Files: .stl,.wrl, *.3ds *.vrml, *.obj, *.ply, *.skp
• display: models in color and non color
• Unit of Measure: Meters, Centimeter, Millim开发者_如何学编程eters, Inch
• Volume: 3D object viewer has to calculate the orginal size of the model
• Rotation&zoom: user can rotate/zoom with mouse and rotate/zoom by clicking buttons
• Browser: IE& Firefox

Please take a look at this 3d viewer.

Has anybody a idea where I can buy that?

Thanks

Regards

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i found some, not sure if that what you want though, anyway take a look

http://www.cortona3d.com/Products/Cortona-3D-Viewer.aspx

http://www.geek.com/articles/geek-cetera/a-javascript-3d-model-viewer-in-your-browser-20110129/

http://code.google.com/p/jsc3d/