for all you CAD 3D Freaks like me,, i found this site for free CAD and 3D softwares,,,its a Freeware downloads for graphics applications ,
enjoy it, no need to thank me,,thanks to GOOGLE :)
Check out the 3D printer you can build on a budget and decorate cakes or make solid models. Very amazing
Fab@Home is a website dedicated to making and using fabbers - machines that can make almost anything, right on your desktop. This website provides an open source kit that lets you make your own simple fabber, and use it to print three dimensional objects. You can download and print various items, try out new materials, or upload and share your own projects. Advanced users can modify and improve the fabber itself
link http://www.fabathome.org/wiki/index.php?title=Main_Page
link Open-source Replicator? Home-built 3-D Printer Could Launch A Revolution, Engineers Say