This week on Maker Update: cyberpunk samurai, rolling your own tape echo, sound reactive lighting, all the filaments, and a closer look at salt batteries.

This week on Maker Update: bikes made weird, the infinite text adventure, a 3d printed router lifter, the Arduino Giga, counting screws, and 3d printers for $34 dollars.

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: a project that hits all the right notes, 3d printing with sawdust, ramen noodle knife scales, pizza factories, typesetting, and questionable angle grinder tips from Jimmy DiResta.

This week on Maker Update, a Nintendo made from wood, painting with Skittles, a photochromic clock, a camera that looks into the past with an instant replay, and a cabinet for curing 3D prints.

I learned about the Robert Larson 800-2875 Plastic Center Finder (Amazon link) from maker Ben Light, who uses it to drill out the center in the tin can robots he builds. Online, I see a lot of videos of jewelry designers using these. Woodworkers use them on finding centers on dowels or centering up work to chuck into a lathe.

This week on Maker Update, an animated wooden sign, new mesh boards from Particle, 3D printed QR coasters, 3D printing on fabric, and my talk with Jon-A-Tron. This week’s Cool Tool is a Retractable Cardboard Cutter.

This week on Maker Update, a meme alarm clock, solar balloons, an Imperial rocker, bending PVC with sand, AxiDraw XL, and hacking wheelchair motors. This week’s Cool Tool is the Surebonder Pro2-100 glue gun.

This week on Maker Update, spiral stairs, the Trinket M0, a glove that tracks high-fives, Charlotte the drawbot, an essential bit of road trip tech, and a tip for storing filament. This week’s Cool Tool is the BESTEK 300W Power Inverter.