I've looked through the Game Manual, and I cannot find a rule that would prohibit this, so I'll see your opinion.
A team builds a robot just like this (sorry for the paint picture):
To try to block shooters. Not just full court shooters.
During the match, they plan to go under the opposing pyramid, and extend their blocker, like so:
Which stops teams from shooting through the pyramid.
Would this be considered legal? I know its after the season, but I thought of this and would like to know what you think.