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It is well known that the usual Huzita-Hatori axioms for origami enable angletrisection but not angle quintisection. Using the concept of a multifold, Langhas achieved quintisection but not arbitrary algebraic numbers. We define then-parameter multifold and show how to use one-parameter multifolds to obtainthe algebraic closure of the rational numbers.

The power of multifolds: Folding the algebraic closure of the rational numbers