What 3D printers can do

[source]

And 3D stuff can be printed directly from (the freely available) Google SketchUp!

More discussion about 3DPrinters here:

''When the The Apple LaserWriter first hit the mass market in 1985, the desktop publishing revolution was born. With a starting price of $6995 the unit weighed a hefty 77 lb (35kg) and was 11.5 x 18.5 x 16.2 inches the first desktop printer was not the lightweight, disposable peripheral printers have become today, in every classroom, business and home.
...
23 years later and Desktop Factory, (previously mentioned on Ponoko Blog) are about to launch us into the 3rd dimension of desktop printing with their 125ci 3D Printer for under U$5000.''