These are really fun shapes to play with -- here's another little python script to draw animated hypotrochoid frames that can be stitched together with ffmpeg:

These are really fun shapes to play with -- here's another little python script to draw animated hypotrochoid frames that can be stitched together with ffmpeg: https://github.com/hecanjog/hypotrochoid.py/blob/master/hypo.py#L47 https://github.com/hecanjog/hypotrochoid.py/blob/master/hypo... I stole the relevant bit from here: https://stackoverflow.com/questions/22894942/plotting-hypotrochoids-using-python/22895353#22895353 https://stackoverflow.com/questions/22894942/plotting-hypotr... Here's one video example: https://vimeo.com/99493389 https://vimeo.com/99493389