<p>This has already been dealt with a bunch of times. Changing slabs so that they can be placed sideways would take a LOT of effort. If I remember correctly, Mevans has said that he is not directly opposed to this concept, HOWEVER, the effort that would go into this could be used elsewhere, and this has been suggested at least 3 times as far as I can remember.
</p><p>- S'moregoth, (a.k.a "He of the Currently Forgotten Password")
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