Great work so far by everyone who has entered. There is still a lot of challenges ahead and remember that there are prizes for best image and best animation that sit outside the rigours of trying to win everyday. So one great entry sometime in the next 22 days can win you a Mardini prize. Keep up the great work!
The Day 19 challenge is the Joint Capture Biharmonic.
Here is a scene file [media.sidefx.com] with some examples from the video.