MacGyverisms How-Tos

How To: Make Toast Cooler by Modding a VHS Player into a Working Toaster

Toasters can do so much more than toast bread. A toaster oven can make your Halloween jack-o'-lanterns look pretty creepy, and you can even mod one into a reflow oven. But what about a regular ol' toaster? Well, you can turn one into a working NES console—or you can keep its bread-toasting functionality by just making it look cooler, like Instructables user lemonie did with his VHS player toaster mod.

How To: Strut Your Stuff—Build This Super Cheap Multi-Monitor Rig for Three-Screen Gaming

Want to take your gaming to the next level? If you're going to do it, why not go big—by building a multi-monitor setup with not two, but three screens like Redditor optec did. Most multi-monitor setups are pretty pricey, but he built this using simple parts that ended up costing him about 30 bucks. The frame is made of four pieces of Unistrut, bent to 45-degree angles. He used a couple of brackets to attach them and made the mounts out of medium-density fibreboard. Finally, he added some more...

How To: Make a Foldable, Wallet-Sized Paper Amplifier for Your Smartphone

Are your smartphone's built-in speakers not loud enough? Don't want to fork out the cash for some additional speakers? Instructables user urant's got you covered. He created the Whirlwind—a portable paper stand and speaker that folds up to fit in your pocket or wallet so you can take it with you on the go. The best part about this amplifier is that it's free to make. You can use regular old printer paper, but urant suggests using something a little sturdier for the stand.

How To: Turn Dried Out Markers into DIY Alcohol Ink That Works on Glass, Metal, and Plastic

Dried out markers are the worst. They take up space, and for some reason, even though they're totally useless, most of us have at least a few lying around just for the sake of not throwing them out. Luckily, Julie Finn over at Crafting a Green World has come up with a way to repurpose them into alcohol ink, a versatile type of ink that can be used on non-porous materials like plastic, glass, and metal. This is truly a tutorial for the pack rat in all of us. First, a little primer on what you ...

How To: Build Your Own Projector Screen at Home for Less Than Fifty Bucks

A few weeks ago, we saw a simple 128 inch DIY Projector Screen that looked like a pro built it—and it only cost $200. But this one is even cheaper, and looks just as good. It's also simpler because it's painted right onto the wall. In the video below, How To Lou shows us how to make it with just some white or silverscreen paint, a few pieces of casement molding, and some black velvet for the trim.

How To: Save Money on Your Home Theater with This Pro-Looking DIY Projector Screen

Projector screens can be pretty expensive, depending on the size and quality you're looking for. If you're thinking of installing one and want to save some money, you can build a pretty decent one yourself with just a few simple materials. Redditor dodgeboy made this 128" DIY projector screen for only $200, and I have to say it looks pretty impressive. Poplar 1x4s make up the frame, with pine 1x3s as supports. Once the frame was assembled and painted black, he installed mounting blocks on bot...

How To: This DIY Pneumatic "Mauler" Fires 300 Ping Pong Balls Per Minute

Here's an awesome weekend project that could leave you with a fearsome "Ping Pong Ball Mauler" capable of firing hundreds of balls a minute at your unsuspecting neighbors. Christian Reed built it out of a poly drum and a homemade pneumatic device. He turned a standard shop vacuum into a high volume, low pressure system that allows his contraption to continually fire a constant stream of ping pong balls at a rate of hundreds of balls a minute. Best of all, all of the parts he used can be bough...

How To: 10 Creative Ways to Upcycle Your Junk into Usable DIY Chairs

With the upcycling revolution, folks are turning their otherwise useless junk into something functional for the home. Practically anything that you would normally toss or recycle can be reused for a bigger and better purpose. Your milk jugs, chopsticks, toilet paper cardboard, glass jars, and even your old junk computer keyboards can be upcycled into something totally useful around (or away from) the home.

How To: Make a Cheap and Reliable Suction-Based Bike Rack for Your Car

A bike rack that's lightweight, small enough to store in your car, easy to build at home, and only costs 50 dollars sounds to good to be true, right? It's not. This guy built a suction-based bike rack in just two hours with only his jigsaw and a drill. He built the contraption using off-the-shelf suction handles, plastic cutting boards, and a commercial fork mount. All-in-all, it cost him just $44 for one mount and less than $100 to add in a second mount and a rear holder. You can find his fu...

How To: A/C Broke? Keep Your Car Cool with This DIY Solar-Powered Air Conditioner

If a solar-powered air conditioner that requires no electricity or moving parts sounds to good to be true, well, then you're not as ambitious as this clever high school student. Instructables user Fozzy13 put together an awesome DIY tutorial on how he built his own air conditioning unit in his car that works using the principles of evaporation, convection, and capillary action. This air conditioner works by using sunlight to heat air at the bottom of the unit. The hot air rises, allowing the ...

How To: 50+ Creative, Useful, and Unnecessarily Dangerous Ways to Open a Beer Bottle

There's nothing worse than holding an ice cold brewski on a hot summer day and having no way to open it. If you're a Bud fan, you'll have no problem opening the bottle because most mass-market beers have twist-off caps. But if you have a taste for finer, more expensive brews, you'll more than likely run into the pry-off caps. Pry-offs are used mainly because companies believe it provides a better seal against one of beer's greatest enemies—oxygen. Plus it's a cheaper alternative for craft bre...

How To: Miniature TP Tube Dioramas, Plus 4 Other Ideas for Reusing Toilet Paper Tubes

It may be surprising, but those cardboard toilet paper tubes are dead useful for so many things besides just keeping the circular shape of your TP roll. As shown before, you can make car dash mounts for your mobile phone, but that's just one of the many beneficial uses from a seemingly junk cardboard tube. You probably go through quite a bit of bathroom tissue over the course of a year, especially if you're using it for facial tissues, too. So, the next time you throw away that lonely little ...

How To: Start Fires in Style with a Glass Matchjar, Plus 9 More Clever Uses for Mason Jars

Mason jars are a DIYer's best friend, nearly on par with duct tape and paper clips. Why? Because you can use mason jars for so many things besides just canning and drinking, and I'm not talking about other obvious uses like basic storage containers or miniature terrariums. I'm talking about MacGyver-style ingenuity. With a little creativity, the uses for those jars are practically endless.