stcardioid              Generate a circular string art pattern with a
                        cardioid effect
stcircle                Circular String Art
stdecimal               Generate a string art path from a rational
                        decimal expansion
stellipse               Generate an elliptical string art pattern
stgrid                  Generate string art on a rectangular grid
                        boundary
sthexaflower            Generate a hexagonal flower string art pattern
stlissajous             Generate a Lissajous string art pattern
stlotus                 Generate a lotus-like string art pattern
stnet                   Generate a string art net from two rays
stparabola              Generate a parabolic string art envelope
stpolygon               Generate string art on a regular polygon
stradial                Generate a radial string art pattern with
                        triangular modules
stregion                Generate a string art figure from a closed
                        region contour
strose                  Generate a rose-like string art pattern
stspiral                Generate a spiral string art pattern
ststar                  Generate a star polygon string art pattern
sttriangle              Generate a triangular string art pattern
