How big is slate?

[Straton.]

I did this a while ago,

I went to a corner of slate, and placed 1x1's along the edge to an adjacent then did the /brickcount command, came out with 14,336 multiplied it by itself and came out with 205,520,896².

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[Khorde]

MY NOT THE FIRST?!?!?

MY THE SECOND!!!

[Straton.]

I'm not the first.

tis an unsolvable mystery.

[Kalphiter]

Rest a brick on the corner of slate.(a 2x2 so that 3 studs of the 2x2 are hanging off)
Get it's position.

You've got some XY coordinate with 3584 or -3584 in it.
Double 3584 to convert to bricks = 7168 (double again because you only got half of one side)
14,366² = 205,520,896