umbilic trefoil knot 1

umbilic trefoil knot 1 3d printed Art Sculptures
Umbilic Torus.  A ball will roll around the three sides and return to start point.  Can be done to most knot curves with different number of sides.  PM me for a custom creation.  Animation of rolling ball at: http://www.youtube.com/watch?v=SkBijZfdK3w

cm: 3.33 w x 8.72 d x 7.83 h
in: 1.311 w x 3.433 d x 3.083 h

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