Ideally covering a 4x4 area, I'm guessing.
4x5 and 4x4
Do you mean 5 height? I'm pretty sure the squid means a 4x4 footprint, ie 4x4x5.
https://dl.dropboxusercontent.com/u/56867336/Brick_WindowDiag.zip
Looks a little fat for some situations. Could you make one that has a 3x3 base as well?
I was excited until I saw flat side out