Maybe I'm not "caught up" enough on the discussion to contribute,
but I though the whole ratio of pyramid dimensions is based on
the fact that a small height = a large base width? All other
dimensions are "derived" or "necessitated" by the thickness of
the molds:
(1" - 25/32") / 2 -OR- (25/32 - 9/16) / 2
...both of which equal 0.109375 "wall thickness".
SO, for any piece size, one would have to simply add 0.21875 to
the base of the previous piece size, and use the same angle for
the peak, to derive the new height (using the trig for an
isosceles triangle).
But I'll admit that I am no mathematical scholar. I just observe
that the series is all about increases the bases and preserving
the peak angle, for stackability.
Am I crazy, ignorant, or what?
David