Minimum support for elevated buildings

I have been building elevated bases a little and believe that I have been going a little overboard with adding wooden pillars onto my elevated buildings in case the building is destroyed.
I was wondering if anyone knows how the supports work and what would be the maximum amount of objects that can be attached to one pillar at a time.
Best Answer
Basically, if one support was necessary for one ceiling piece, that ceiling piece will also be destroyed along with anything vertically reliant upon it for support.
If you had a contingent pillar near enough to also support that ceiling piece, then it would not break.
Minimum support may not be what you are really asking about as minimum is enforced by what you can actually build or not.
One pillar can support 1-2 out from center in all directions. Corners will be cut on the second level out.
To have a full, yet non-redundant contingency of pillars, you would probably want to build one every other space or under every 2nd piece out.
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