Not really a good idea. According tho the Primitives Reference there are already 3x3, 5x5, 7x7, ... out in the wild. Also you could author a:
http://media.peeron.com/ldraw/images/7/3933.png
with 1x8 + 1x6 + 1x4 stugs, but also a combination of 3x3 + 1xZs would do the job, though this would require an additional line.
w.
http://media.peeron.com/ldraw/images/7/3933.png
with 1x8 + 1x6 + 1x4 stugs, but also a combination of 3x3 + 1xZs would do the job, though this would require an additional line.
w.
LEGO ergo sum