Symmetries D8 (witnessed by T4,3), D6 (witnessed by T3,4), periods 2, 3 and 4, strongly invertible
Lists (T4,3, T3,4) (of coordinates along the path)
Fourier series (T4,3, T3,4) (of coordinate functions parametrized in [-π,π])
Scad files (T4,3, T4,3) (for use in Openscad or similar compiler)
Stl files (T4,3, T4,3) (for use in a 3D printer, etc)
List of knots, table of symmetries
6.7.15