I loved the walls from Seej, but I wanted more mobility to make a 'Crossbows and Catapults' type play.
The old game (some know as 'battleground: crossbows and catapults'') allowed you to position walls at varying degrees so they can be knocked down more easily.
After testing this, the walls were successfully knocked down with hits and positioned at various degrees.
Design: I opened up the bottom so it isn't so tight a fit. (made the connector openings into domes so the square tops could be adjust underneath the block)