This week on Maker Update: a plastic excreting art bot, DiResta’s mini morbid mobile, glowing jewelry, invisible ink, and 3D printed repairs.

This week on Maker Update, graffiti CNC, a commitment to carbonation, a laser cut haunted house, a face-detecting leaf blower, and going Gaga for Halloween.

This week on Maker Update: wood that you can see through, 3d printing at warp speed, doorbells that shout at your neighbors, plastic milkshakes, camp tables and maybe the world’s worst drawbot.

Tools:

Sharpie Metallic Permanent Marker
http://amzn.to/2hLWwU0

Transcript:

In this Cool Tools video review I’m going to show you one of the greatest hits of the Cool Tools blog, the metallic Sharpie pen. It sounds silly, but give me a minute and I’ll show you why it’s a useful tool. And if I make a convincing case, you can pick up a pair of these for just around $4 using the Amazon link in the description, which helps my videos and the Cool Tools blog.

This week on Maker Update, an automatic dice spinner, a desktop CT scanner, what taggers can teach us about permanent markers, and powering your Raspberry Pi from lithium iron phosphate. This week’s Cool Tool is the Krink K-70 Permanent Ink Marker.