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A Master Class in Prototype Making
In response to John Baglio’s search for a series of prototyping videos he’d run across, Talon Chandler immediately responded with:
“He’s probably talking aboutDan Gelbart. Dan is a local legend among engineers in Vancouver, BC. He founded Creo, a printing technology company that sold to Kodak circa 2005, and several other companies including Kardium, a growing healthcare company. I’ve had the pleasure of meeting Dan once (I interned at Kardium close to 10 years ago), although I haven’t had the pleasure of visiting his extraordinary shop.”
Others also messaged me and told stories about the impact of Dan’s videos on them. They are amazing. I haven’t found a treasure trove like this since discovering TubalCain/MrPete222 some 15 years ago. Anyone interested in precision machining, prototyping, water jet cutting, and a wealth of general machine shop wisdom should check out this channel.
Expanding the Usefulness of 1-2-3 Blocks with a Hardware Kit
I’ve long been a fan of 1-2-3 blocks and always have them handy when doing a host of different projects. They’re great for quick measuring, aligning, holding parts together for gluing/ fastening, as shop weights, and countless other applications. One of the features that few people outside of machining use are the holes drilled into the blocks. These are not just there to keep the overall weight down. They are threaded and non-threaded holes designed for attaching the blocks in various configurations (such as for making right-angle or T-shaped jigs).
In this Stumpy Nubs video, James introduces a clever little hardware kit for easily attaching blocks – and attaching them with nothing proud of the surfaces. As he points out, you can source these screws and through-hole fasteners yourself, but why not support the guy who came up with the idea for this kit? That guy, Mike Taylor, sells a kit of 6 hex-head screws, sized for 1″, 2″, and 3″ attachment, 4 threaded through-hole dowels, a hex key, and a slotted driver head – all housed in a handy little plastic box. I immediately bought a kit (only $10) and I love it. Mike also makes really high-quality blocks at an affordable price ($20/pair). I snagged a pair of those, too. It always feels good to support a maker small business.
Using Finger Pressure to Match Hex Head to Wrench
On the Twitter account of software engineer Roach, he posted this clever way of matching a hex head to a hex wrench. Pressing your finger into the head will leave a dimple that you can use to size the appropriate wrench.
A Prompt Book for Better AI Art Generation
If you’ve spent any time on social media lately, you’ve likely seen some of your acquaintances go down the rabbit hole of artificial intelligence image generators like Midjourney, DALL-E, and Google’s Imagen. These programs take descriptions that you feed them and return AI- generated art interpretations of that input. It’s very addictive and fun and has huge disruptive potential. My wife Angela and I were joking a few weeks ago that in the future, art will be nothing more than the ability to input the most fulsome description of what you want. And then, just a few days later, Recomendo shared a link to The Prompt Book, a free PDF of instructions, examples, and tips for refining your input commands. It’s directed at the DALL-E program, but its ideas can be applied to any of these art generators. In the future, art will be incantation.
Making a Shop Paper Roll Dispenser
Poking around on the ‘Tubes, I came across a series of DIY videos, called Try, that Kevin Kelly did on Cool Tools in 2020-21. How did I miss these? Here’s one on building a kraft paper roll cutter for your shop and a really charming one about the sign that he made for the Kelly compound in Pacifica, CA.I hope he gets inspired to do more of these.
Maker Slang
Jargon, slang, and tech terms from the many realms of making.
FEP – (Fluorinated Ethylene Propylene) A tough, no-stick plastic material commonly found in the bottoms of resin vat 3D printers. Its translucence allows the light source beneath it to shine through the vat, curing the resin onto the build plate.
Holidays – A term used by professional painters and gilders/gold leafers to refer to gaps in coverage. It derives from the joke that a painter must have taken some time off, a little holiday, by not covering an area they should have. [Hat tip to gilder Michael Kramer]
Minimal viable product – A phrase used by Italian maker and product developer, Giaco Whatever. In creating a product, you want to pare your idea down to its minimum possible components. See also: KISS (keep it simple, stupid)
Real job – A project that’s a series of tasks and challenges that imply significant time and effort – as opposed to a task which can be quickly accomplished. “That’s a real job. I need to set aside an afternoon for that.”
Resilient idiot – A self-deprecating admission that sometimes knowledge and skills seemingly won’t stick, not matter how hard you try and learn them. Coined by Donald Bell. Not to be confused with Andy Birkey’s similar: actual moron.
“This is a very common tool for locksmiths when dealing with vehicle lockouts. The inflatable pry bar can generally create enough space for the locksmith to drop a loop down to grab the lock pin from the interior of the door frame and gain entry without having to damage or possibly ruin the actual lockset on the car door. But don’t underestimate their power. I used one on an old car when I locked my keys in and it bent the door to the point that it never fully aligned to the door frame gasket again.”
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A cool tool can be any book, gadget, software, video, map, hardware, material, or website that is tried and true. All reviews on this site are written by readers who have actually used the tool and others like it. Items can be either old or new as long as they are wonderful. We post things we like and ignore the rest. Suggestions for tools much better than what is recommended here are always wanted.
I love works that are renewed and improved. Carl Franz and Lorena Havens have been exploring the hinterlands of Mexico and reporting back their travel suggestions in amusing detail since their first edition of this book in 1972. For four decades this venerable guidebook has been the best manual for visiting Mexico, getting better with each edition. It has just been released in its 14th. Franz and Havens are not going to be much help in keeping you up to date with the best hotel in the usual tourist destinations (your standard Lonely Planet-ish guide will handle that). Where The People’s Guide transcends the usual guidebook is in its devotion to the blue highways and backlands, the off beat places and indigenous living.
This guide is best for those driving around Mexico in a vehicle, camping in its many parks, exploring its meandering dirt roads, hanging out on undeveloped beaches, sampling native foods and immersing yourself into the culture of our neighbor as much as possible. It’s chock full of all the advice you’d expect from a couple who have been noodling around Mexico every year for thirty five years: how to live off the land, keep on the right side of the law, shop for strange and exotic foods, survive, educate yourself in local customs, and remain healthy and sane. It’s a fat 700-page book with lots of great stories, and endless good counsel. (They run a supplementary website for updated tips.)
A lot of this lore is universal travel wisdom (the less money you spend the more fun you have). In fact The People’s Guide to Mexico is one of the best travel guides I’ve ever seen to anywhere in the world. You could easily transfer many of their tips to traveling in Asia or Africa, and the rest of Latin America. But the bulk of it is very particular to Mexico. Every page yields golden nuggets of fine advice for every part of a very large Mexico. I find myself reading whole chapters for the pure enjoyment of being in the presence of great, gifted guides teaching me useful stuff I didn’t know.
The Mexico/US borders is one the most abrupt borders in the world. There’s almost no where else on earth where you can travel so far in so few miles as crossing this imaginary line. This trip has the additional benefit of being guided by this amazing encyclopedia of practical tips and insights. You’d be a fool not to take it with you.
It’s the operating manual for people in Mexico. — KK
Building a palapa
I climbed over other passengers and cargo to the cab of the truck, determined to check our speed."Hey," I yelled back to Lorena, "It's really not so bad after all. We're only doing 90 to 100 kilometers an hour. That's fast but not so dangerous." I took another peek through the rear window; a curve was coming up and we were slowing to 70. i was just about to turn and work my way back when I noticed a small "MPH" beneath the speedometer needle.MPH! I felt the blood drain from my face and go roaring through my ears and down to my feet. Seventy into a curve! One hundred on the straightaway!"Let me off! Let me off!" I screamed, pounding the roof of the cab with my fists. I got a glimpse of the driver's startled face turned toward the rear of the truck.
Many common driving hazards and annoyances found in the U.S. are also in Mexico, though usually in a slightly altered form.In the U.S., the omnipresent teenager hunched birdlike behind the wheel of his 400-hp candy-colored, air-foiled Supercar, passes you dangerously close at 140 mph as he calmly munches a DoubleBurger and squeezes an annoying pimple.In Mexico, he's still the same basic teenager, apparently oblivious to other traffic and mesmerized by the blaring radio and the dangling ornaments that festoon mirrors and knobs. But there is one difference: He's behind the wheel of a hurtling semi-truckload of sugarcane. And he's passing you on a blind mountain curve. You glance over, afraid to imagine what is about to happen. He grins, flashes a peace sign and cuts you off as he swerves to miss an oncoming bus.Low-flying buzzards are a very real hazard, as are piles of drying corn, beans and chili peppers placed on the hot pavement by enterprising farmers who prefer the smooth road surface to the dusty shoulder.As you fly around a curve and find yourself unexpectedly in the middle of small village, it seems that everyone suddenly leaps up and crosses the street, forcing you to brake madly. Pigs that haven't moved from gooey wallows for a week lurch frantically to their feet and stumble in front of the car, followed by reckless children beating them with twigs.These are relatively minor hazards that you'll soon become used to. For really serious trouble, nothing compares to other drivers."They may be wild, but they're damn good!" is a comment you might hear, especially about Mexican truck drivers. If good driving involves good sense, however, they must surely be among the worst. Many truckers would be disqualified from a destruction derby on ground of excessive zeal and disregard for human life.The good news is that the average Mexican chofer (driver) is definitely getting better. Drivers are more courteous and less likely to indulge in macho grandstanding while behind the wheel of the family car. Bus drivers have also gotten the message about safety and many of them could give lessons to American drivers.Still, it is dangerously easy for tourists to fall into the same driving habits they see demonstrated by others. When you're breathing fumes behind a slow diesel truck in a steep mountain pass, the temptation to pass on a blind curve can be very strong. At this point, you should seriously consider what the consequences are if you don't make it.
Diarrhea and Dysentery Powdered scorpions, chia and 7Up, camomile and "dog tea," food enzymes, acidophilus, papaya seeds, dried apricot pits: When it comes to upset stomachs, nausea, diarrhea, and disenteria, I've tried almost everything. As a firm believer in the value of medical plants and folk remedies, I'm sorry to announce that a dose of bismuth solution (such as Pepto-Bismol) seems to beat them all. In fact, our experience clearly shows that taking the pink stuff in moderate doses before, during, and even after traveling can dramatically reduce stomach problems.Though it is effective, I'm no fan of bismuth's cloying pink taste and I don't like to pour it repeatedly into my stomach. I now take about half of an adults dosage (one tablespoon 3-4 times a day). I start my bismuth program a few days before leaving home and continue taking it once or twice a day for about a week. If my stomach shows no sign of rebellion in that time, I go to "standby" and keep the bismuth close at hand in the event of sudden turmoil.
In Mexico, "look before you leap" isn't just an expression, it's a survival tip. Forget about bandits; the greatest threat to your safety comes from slippery cobblestones, uneven sidewalks, knee-high curbs, head-knocking signs, eye-poking awnings, toe-stubbing thresholds, open trenches, unexpected drop-offs and discarded construction debris.
Keep track of your personal belongings. When Lorena and I lead tours or travel with friends, we continually pick up our companions' stray cameras, passports, purses and room keys. Tourists routinely walk away from their suitcases, leave their credit cards at souvenir shops and their only shoes at the beach, and can't recall which lavanderia (laundry) they left their clothes in.A fellow we traveled with in eastern Mexico left his binoculars hanging on a chair in the restaurant of a small hotel. By the time he realized his mistake, we were hundreds of miles away and couldn't go back. When I returned to the hotel two years later, the owner's first words were, "I have the binoculars your friend forgot. ... As a postscript, the fellow who lost and regained the binoculars returned to travel with us again. This time he left a very expensive Nikon camera in the washroom of a museum. In this case, however, the camera had vanished by the time we returned for it.
If you’re thinking of doing a road trip to Alaska, The Milepost is a must-have. This thick publication, revised annually, has mile-by-mile conditions of all the major highways in Alaska and other northern points, including Alberta, British Columbia, Northwest Territories and the Yukon.
It’s available in some brick and mortar bookstores, and online from their website.
-- Regis
"What is the best time of year to go?" is one of the most frequently asked questions about traveling to Alaska. During the summer, the weather in the North is as variable and unpredictable as anywhere else. Go prepared for both hot, sunny days and cold, rainy days. Regardless of weather, the Alaska Highway is open all year.May: fewer people on the road, can be fine weather. June: long days averaging 20 hours of daylight. July: busiest month on the highway, can also be the wettest. August: trees start to turn colors, nights get chilly. September: fall colors, first frost and snow possible in some areas, uncrowded ferries.
Is the Alaska Highway paved? All of the Alaska Highway is paved, although highway improvement projects- such as the Shakwak Project between Haines Junction and the AK-YT border-often mean motorists have to drive miles of gravel road through construction areas, bringing into question whether that statement is altogether accurate. But the Alaska Highway is much improved from what is was even 20 years ago. It was during the 1980s that many of the rerouting and paving projects were completed. By 1992, the 50th anniversary of the Alaska Highway, the last section of original gravel road had been rerouted and paved.
Once a week we’ll send out a page from Cool Tools: A Catalog of Possibilities. The tools might be outdated or obsolete, and the links to them may or may not work. We present these vintage recommendations as is because the possibilities they inspire are new. Sign up here to get Tools for Possibilities a week early in your inbox.
