The Tornado Vortex

Wasn't actually able to enter competition :(

Please watch video:
http://youtu.be/0r_mhUd2f9Q

Sorry some images are the wrong dimensions because the photos are pinched in to make it a square size.

This is the TORNADO VORTEX!

This for the Catch The Wind competition. It is a great thing for anyone to print out if they want to teach their kids what tornados are or how a vortex works. Its also just a fun project to work on! All the files are printable and ready.

You will need:
1) Two 12VDC fans, one that is 40mm(1.5 inch) and one that is 60mm(2.5inch)
2) Two power adapters that can connect individually to each fan. They need to be 12VDC and they need a larger amp output then the fans. (Instructions are in the Instructions slide above)
3) Cotton
4) Dry Ice (Or you can use anything to create smoke such as a smoke machine)
5) Boiled/ Hot water
6) Something to 3D print all of the below STLs
7) Hot Glue

One item you need to look out for with a safety