trainstation
A stainless-steel sculpture by Werner Alois Stanggassinger, with verified knot identity. The same knot type is realised by a separate work — sundown is the same knot, an independent embedding (kept as distinct works, not a duplicate).
Photograph: Norbert Achtelick
Dimensions: 136 × 86 × 120 cm · Weight approx. 120 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.