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Lift-and-turn piston from PVC pipe fittings
slip fix.jpg
PVC pipe piston.jpg

This doo-dad is a telescoping PVC fitting sold as a “Qwik Fix” or “Slip Fix.” It’s intended to be used to repair broken sections of pipe, but Chuck Rice has posted a venerable tutorial on converting one for use as a pneumatic piston in a haunted-house prop. Chuck’s design both lifts and turns with a single stroke. Clever!

Make: Halloween Contest 2009

Microchip Technology Inc. and MAKE have teamed up to present to you the Make: Halloween Contest 2009! Show us your embedded microcontroller Halloween projects and you could be chosen as a winner.


I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.

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