I don't know if you got my Pm but now that I see thee picture of some of the items i do highly recommended the programs I sent.

I do recommend these programs .... If you got my pm then you have the links, but I think that other folks here might find then useful too.

If anyone's good with auto-cad here's few free program that could help to build anything that it needed.

Free auto-cad like program
http://www.metaseq.net/english/index.html

Pepakura Designer make the card models out of 3d data programs
http://www.tamasoft.co.jp/pepakura-en/