_box fractal
_cross stitch curve
_harter heighway dragon curve
_hilbert curve
_koch antisowflake
_koch curve
_koch snowflake
_mcworter's pentigree
_minkowski sausage
_moore curve
_peano gosper curve
_quadratic koch curve
_quadratic koch island
_sierpinski arrowhead curve
_sierpinski curve
_terdragon curve
_tree structure