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    Scimemi, Draw of a regular
    heptagon by folding.
    Proceedings of the 1st
    International Meeting of
    Origami Science and 
    Technology. 1989

Simultaneous folding is mathematically a strictly more powerful primitive.

Are you familiar with Lill's method of finding real roots of polynomials of any degree ? Simultaneous folds are a realization of the same idea

https://en.m.wikipedia.org/wiki/Lill%27s_method#Finding_root...