Sum of triangular numbers
prusaprinters
With these 6 pieces, you can build an n·(n+1)·(n+2) solid brick.The volume of each piece is the sum of the first n triangular numbers.Therefore, the sum of the first n triangular numbers is:Σₙ Tₙ = n·(n+1)·(n+2)/6In the provided STL file, n=6, but you could use the parametric OpenScad file to get any other value.
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