The knot 8_19

This is the first non-alternating knot in the standard table of mathematical knots. Compare this model of 8_19 with the 3D model of 8_18. Can we see something in this optimal 3D configuration of 8_19 that would suggest it has no alternating 2D projections?

MakerHome Day 67: http://makerhome.blogspot.com/2013/11/day-67-knot-819.html

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