Symmetries D_{4}, period 2, strongly invertible

Lists (D_{4},
p2) (of coordinates along the path)

Fourier series (D_{4},
p2) (of coordinate functions parametrized in [-π,π])

Scad files (D_{4},
p2) (for use in Openscad or similar compiler)

Stl files (D_{4},
p2) (for use in a 3D printer, etc)

List of knots, table of symmetries

6.7.15