# Fold and Twist Algorithm for Some Regular n-Gons

Fold and Twist Algorithm for Some Regular n-Gons

Given a strip of paper with congruent parallelograms of base and smaller angle being bisected, one can construct a regular -gon using the fold and twist (FAT) algorithm.

n

b

2π/n

n

With "pentagon" unchecked, you see just the first step of the algorithm for . With "pentagon" checked, you can go through the complete algorithm for constructing a pentagon.

n=4,5,6,7