I have developed an AIR application that automates the work flow of creating 3D Glyphs -- extruded characters -- for use in developing your PV application. It is free. It has factory methods that yields very high-quality 3D objects for PV, Away3D and Sandy much more simply than any other approach that I know of. There is even drag-n-drop support for embedded fonts.
That said, I don't have any server farm that can guarantee 24x7 services, so I really like to send interested people the Developer's Guide. It is a PDF document with screen shots, but alas, there seems to be no consistent way to post a PDF document here. So the best I can do is expose my limited resources. Please visit
http://ssshq.homedns.org:8886/BunkoBox when you have a moment and contact me at tcorbet AT ix.netcom.com if you would like a copy of the document for your review.