Solomon Seal Knot ornament

thingiverse

Pentagonal tube rotating -288 degrees around 2d "Solomon Seal Knot" curve. r(t)= { 2 (7/6 Cos[Pi (-(8/9) + 4 t)] + 5/14 Cos[Pi (9/10 + 6 t)] + 1/21 Cos[Pi (-(7/8) + 14 t)] + 1/38 Cos[Pi (9/10 + 16 t)]), 2 (7/6 Cos[Pi (3/5 + 4 t)] + 4/11 Cos[Pi (-(7/12) + 6 t)] + 1/22 Cos[Pi (5/8 + 14 t)] + 1/34 Cos[Pi (-(4/7) + 16 t)]), 0 }