About a year ago I started building a robotic jellyfish inspired by Festo's submergible AquaJelly. I was just beginning to figure out how to get the thing moving when I got sidetracked with the prospect of launching a Kickstarter campaign and dropped the project cold. During this whole long year while I've been fulfilling the said Kickstarter, this poor jelly prototype ("Boney") has watched silently from a distant shelf in the workroom, begging me to pick it up again. Finally this weekend I was able to spend some time giving the old parts a makeover… in yellow.

I added a nice gentle curve to the moving pieces, taking after the design of its cousins, the delta robots :