the caves

[Mr.Noßody]

Jerkface got it right..
Using 1x1x5s for walls is just a sign of laziness and eats brick count.

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[mattnett1]

Jerkface got it right..
Using 1x1x5s for walls is just a sign of laziness and eats brick count.

Yeah... Everyone uses those now... Even in like Applications for Clans. 
I remember this one dude posting a Hotel on this gallery and WOW He had ALL 1x1x5's on EVERY floor/ect.

[Dillpickle]

Now the only exception to 1x1x5 is for direct detail in wall colors.
Say a stripped wall, then you have an exception, but you don't want to over do it.
In most cases, 1x1x5 is pointless unless its for a good reason.