Originally posted by Foxglovez:

LOL how would you not start from the ground up? Even if the ground is a tree in the swamp, still ground(ish).

When alignment hates you honestly lol. I have built structures from top down before, but in all fairness it was stuff like a dock where I knew what height i needed to be but still had to adjust depth as required, plus it was still attached to the side of a structure (with a raised ground pillar built into it for stability) for the actual support needed to do that top-down approach.