Perko Knot 10-161
$18.00
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The Perko Pair is a famous pair of knots that for a long time were thought to be different, but later were famously revealed to be the same by Kenneth Perko in 1973. This model is a knot conformation midway between the two original projections of this one knot. Get a complete view from every angle with the 3D viewer tool.
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