@Kronos - Since you raised the point, I thought you might be vaguely interested.
But for anyone who is, well...
The archetype Boing Ball is a 12x6 style with its axis inclined at sixteen degrees to the vertical.
If you'd like to know more on Boings and their construction, try
HERE.
Cheers,
JaX
PS: AOrg's clock seems to be running a half an hour fast (?)
