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My son has this totally awesome "exhaust" pipe on his bike that I covet. It's really a resonator for the classic baseball-card-in-the-spokes trick. It makes a terrific racket, and gets people to move out of the way without necessitating a honk on your horn. I decided to build my own, using a recycled beverage bottle. Armed with a Dremel Rotary Tool, a bottle of energy drink, and a depleted gift card, I set out to make my own soda bottle bike exhaust.

Materials:
Dremel Rotary Tool cut-off wheel, 180- and 280-grit abrasive buffs, aluminum oxide grinding stone, and 1/8" drill bit
Aluminum 16oz. beverage bottle
Hose clamps (2)
Plastic gift card (depleted)
#8 screw (1) with nuts (2) and washer (1)
Pop rivet gun with 1/8" short aluminum rivets
Permanent marker
Masking tape
Dust mask
Safety goggles

Download the Project PDF
(Right click to save the PDF to your desktop.)

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It's no secret to kids that a big cardboard box is the best play fort you can have. Find a washing machine box on the curb, drag it home: instant fun. If you want some amenities, such as a drawbridge door or firing slits, you need to put a little extra work into it.

I've embellished ours in the past with everything from a Swiss Army knife to a box cutter. Turns out, a Dremel Multi-Max is a much easier, more controllable tool for this than anything I've tried. Add some good fasteners and there's no limit to the size and complexity of the cardboard castles you can construct.

Materials:

Dremel Multi-Max oscillating tool with circular drywall/wood blade
Drill with ¼" bit
Big cardboard box from a fridge or washer/dryer
Cardboard supports that come with the box (optional)
Small cardboard tube
Box rivets from Mr. McGroovy's or other fasteners
Ruler and pencil
Earplugs
Twine

Download the Project PDF
(Right click to save the PDF to your desktop.)

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Hey, you want to make some chunky 8-bit music? In a recipe box? With Atari paddles? Using a Dremel tool? We thought you might. The "Atari Punk Console" is the name given to the wonderfully retro-sounding stepped tone generator, designed by hobby electronics pioneer Forrest M. Mims III. It is a 556-based timer circuit oscillator that generates a square wave. More importantly, it sounds like Atari 2600 music and is fun to build into a cool enclosure.

Materials:
Dremel Rotary Tool with drill bits, circle cutter attachment/bit, sanding drum
Atari Punk Console kit from makershed.com/apc
Atari 2600 paddle controllers (1) optional but much cooler
Wooden recipe box or cigar box
Red LED, 360? resistor and LED holder
Wire mesh for speaker grill
Screws and nuts for speaker mounting
Velcro tape
Drill press or hand drill and bits for mounted component holes
Soldering iron and solder
Safety goggles

Download the Project PDF
(Right click to save the PDF to your desktop.)

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Dizzy Robots are cute pocket-sized pals that dance around until they fall over.
Thanks go to Steve Hoefer for the original article in MAKE Volume 24.

View the PDF of this project. and then subscribe to MAKE magazine for other great projects
you can do over the weekend.

Get the Dizzy Robot Template here

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Wires, wires everywhere. I don't like looking at wires, wires everywhere. Even though I have a USB hub, it's a bit of an eyesore sitting on top of my desk, plugged into devices up top, and my computer down below. I decided it was time to embed the hub directly into the surface of the desk. Using the Dremel Multi-Max to plunge-cut the wood desktop, I fit the USB hub into the desk, and attached the hub to the underside using brackets. It's now stable, stylish, and out of the way.

Materials:

Dremel Multi-Max oscillating tool with 1-3/8" wood flush cut blade, circular drywall/wood blade, and sandpaper attachment
Powered USB hub
1" metal brackets with screws (2)
Wood rasp
Sandpaper
Epoxy
Pencil
Ruler
Carpenter's square
Safety goggles

Download the Project PDF
(Right click to save the PDF to your desktop.)

Read the Full Story » | More on MAKE » | Comments » | Read more articles in MAKE PDF | Digg this!