When you see his 3D-printed mechanical jellyfish lamp, we think you’ll agree. Honestly, it is hardly fair to call it a lamp. It is really — as [Ben] points out — a kinetic sculpture.

Though a landlubber may say the robots look more like a stumpy octopus than a jellyfish ... and were cast in 3D printed molds. Inside the waterproof main body is a Teensy 3.2 microcontroller ...

"Much like the pointed end of an arrow, we designed 3D-printed forebodies to streamline the bell of the jellyfish robot, reduce drag, and increase swimming performance," Anuszczyk says.