ohhh, nice

[FrustratedUser]

Originally posted by: PHiuR
wonder if its possible...without any thing helping them stick together.

Yes it is. Look at the old Roman bridges for example.

 

[MAME]

Originally posted by: ncircle
keystone!

keystone?

 

Originally posted by: MAME

Originally posted by: ncircle
keystone!

keystone?

The keystone is the 'stone' (in this case, it's a monitor) at the apex of the arch that bears the weight of most of the other stones in the arch.