Selva 2D to 3D conversion tool
Selva (www.selva3d.com) is the fastest and easiest way to transform from a 2D image into a 3D model.
Selva offers 2 ways to converting froma an image to a logo:
lithophane: http://en.wikipedia.org/wiki/Lithophane
and extrusion from vector.
Try out for free at www.selva3d.com