Vertical structures- Masts, flagpoles, towers etc.
Skylon Mast - diamond-shaped mast
Tensegrity tower - A tower made of many small poles-none of which are touching each other
How to put up an hourglass tower? - 2 different methods fro erecting an hourglass tower
nice place...gave me a few ideas for an upcoming competition, check out www.hornetscout.fotopic.net,
ReplyDeletemy troop.
cheers! ^^