ping-pong
A computed knot design by Werner Alois Stanggassinger, shown here as a 3D rendering, with verified knot identity. This sculpture is a member of the machine cluster S_24_d81_D6_amphi.
Dimensions: 162 × 124 × 162 cm · Weight approx. 140 kg
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See its Seifert surface in 3D →An orientable surface whose boundary is this knot. Built from the braid word: one disc per strand, one half-twisted band per letter. That its boundary is this very knot — and not its mirror, and not the unknot — was checked against the record: determinant, signature and Alexander polynomial.