This week on Maker Update: a necklace with a staring problem, a laser powered mosquito swatter, moire play, and a giant 3D printed mechanical hand.

This week on Maker Update, the perfect costume for a jet-setter, the Raspberry Pi Zero 2, a real PKE Meter, cleaner air, plamps, and how to get the toothpaste back in the tube.

This week on Maker Update, a freeform LED ball, a preview of Alt Control GDC, rolling your own image sensor, touchy triangles, cardboard Sithcraft, hydro-dipping, and optical punching.

This week on Maker Update, a $20 screen for your Pi, a cheeseburger battle bot, a giant LED ring, and Maker Faires. This week’s Cool Tool is black hot glue.