Cheap 3d prototypeing
makerbot / thing-o-matic
fab @ home
still $1000 to get one up and running
they also have links to software like autocad but free
through the various communities you can probably find someone to print something out for you.
size limits are around 6" x 6" x 6"
maybe one is nearby
some of the people in these communities have access to larger CNC machines
also check outhttp://en.wikipedia.org/wiki/Hackerspace
maybe you have one thats local
maybe you can get someone to print something in exchange for bitcoins.
I like donations