I don't know if this would be of interest, but I came across a $15 maxscript that creates simple 3D models from images in Photoshop in just a click or so, inside 3dsmax.  It will auto-extrude, or lathe, the object for you, so it can make something like a wine bottle from an image, and it will be lathed to a 3-dimensional bottle shape, not just a flat extrusion; that makes it very handy.  If you don't have access to 3dsmax, then it's probably of no use to you though, unless you think it's worth downloading the eval copy for 30 days just to use it.

http://www.scriptspot.com/3ds-max/scripts/curves-to-3ds

I haven't tested this yet, but reviews seem to indicate that it works well, although it's not free.  You could directly import AI files into 3dsmax natively, but then you have to extrude or lathe the lines manually, and add the texture; this script does all that for you.

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