I guess printers have advanced a bit since Dot matrix...

[VINMAN]

I want one!!

[BlueSkyJaunte]

Reprap.org

[john70t]

Transferable organs(skin) and chocolate too. This might go far.

[kach22i]

Free..........and Beta 5

Autodesk 123D - Free 3D Modeling Software, 3D Models, DIY Projects, Personal Fabrication Tools

Inspiring ideas and partner services for
going from digital to physical, with more coming soon.

Explore the possibilities of 2D laser cutting
while assembling one
of these fun kits!

Choose from tons of free 3D solid and mesh models and 2D art when creating your project.

The concept here is do create your own 3D file, send it out to one of their partners and have a prototype in hand.

[Por_sha911]

Wait until they will get the size down to where they can replicate a strand of DNA.
"I'll be back"