this is a cool little tank design tool!!! hope ya like it!!!
http://www.theaquatools.com/aquasketcher]http://www.theaquatools.com/aquasketcher]http://www.theaquatools.com/aquasketcher
http://www.theaquatools.com/aquasketcher]http://www.theaquatools.com/aquasketcher]http://www.theaquatools.com/aquasketcher