A computed knot design by W.A.Stanggassinger, shown here as a 3D rendering, with verified knot identity. The same knot type is realised by other separate works — double-3, always-a-pleasure are the same 12a₁₀₁₉ knot, an independent embedding (kept as distinct works, not a duplicate). Drawn as a Möbius loop — three modules of square tube, the profile arriving back with a quarter turn: one edge, one surface. The computed centerline agrees: frame holonomy +91.1°, a quarter turn to within 1.1°.

Dimensions: 160 × 146 × 148 cm · Weight approx. 150 kg