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Last week, I forgot to include a link to the oscillating multi-tool tips video I included. Thanks to those of you who kindly pointed out the omission. In the future, if this happens, you can always go to the channel I mention, search on the subject, and find the video. My apologies for the hiccup.
Tips Busters: Amazingly Stupid Tape Tricks
Months back, I proposed the idea of doing a “Tips Busters” section where I deputize readers to try out a tip, any tip they see that appears too good to be true, to determine whether it works, doesn’t work, sorta works. I’m still hoping to put such a series together. If you want to bust a tip or have a tip to bust, message me. In the meantime, I’m going to start running pieces from others who are testing and evaluating tips. On this episode of Stumpy Nubs, James looks at a number of dubious (at best) painter’s tape “hacks” as found on YouTube. There are many such tips. As James points out, lots of them are just plain silly.
Understanding Tolerances for 3D Design and Printing
Via Maker Update comes this gem of a video on Practical Alchemy about understanding parts tolerances when designing in Fusion 360 (and other CAD programs) and how to ensure that your 3D designed parts will properly fit when sent to a 3D printer. They also show you how to create a 3D printed “Fit Guide” to better understand and accommodate tolerances for your particular printer.
A User’s Guide to H-Bridge Motor Drivers
Anyone with even a casual familiarity with hobby electronics is likely familiar with H-bridge motor drivers. So named for the H-like configuration of the circuit schematic, with its 4 switching elements, these drivers allow you to control DC motors for speed and moving forwards, backwards, left, and right. In this DroneBot Workshop, they look at a number of popular H-bridge drivers (e.g. L298N, DRV8871, and the MX1508) and the types of DC motors they can control. At over 1-hour, this is a useful crash course in understanding and using this common drive train controller.
Animations of 75 Different Knots
Via the Tools for Possibilities newsletter comes this amazingly useful resource. Knot-tying is a fundamental maker skill. But learning to tie them from a text, or looking at still images, can make them seem unnecessarily confusing and complicated. I don’t know about you, but seeing these knot animations immediately makes me want to grab a rope and go to lashing school.
Maker Slang
Slang, jargon, and technical terms for the many realms of making things.
Surface profile – The 3-dimensional tolerance zone around the surface of an object, often one that’s a complex curve or shape. This profile requires that every point along the surface lies within a specified tolerance range.
Slush casting – A form of casting where material is “slushed around” inside of a mold, creating a thin layer on the outer walls of the casting. This technique is most often used to create a lightweight, hollow castings. It can also be done as the first pour in a highly-detailed mold, with a second pour finishing a solid cast.
The Rule of Cool – In making anything from realms of the imagination (e.g. sci-fi, fantasy, other fiction), the overriding of realism, the laws of physics, and practicality in the service of sheer cool factor.
Shop Talk
In response to my piece on toilet floats and valve reseating tools, I got an interesting message from a reader. He was taken aback by the fact that doing this sort of basic household plumbing was even a question for me. He assumed that any maker/handyperson would do this type of maintenance/repair work without even thinking about it. This led him to ask: “Is there anything you look at and think: ‘I cannot fix THAT!’ I’ve never once thought that. Am I in the majority or minority?”
My situation might be somewhat unique in this regard. I have severe spinal arthritis. So, many maintenance, repair, and DIY projects are outside my reach. Even to replace the float tank, I couldn’t reach down and shut off the very frozen water intake valve on the toilet. I had to get a friend to come over and do that for me.
But even for the more physically able, I’m sure there are preferences. I know plenty of people who loathe house painting, and others who would never think about doing electrical work. And I know plenty of electronics nerds who build robots, microcontroller projects, and all sorts of other high-tech makery who wouldn’t think about doing traditional shopcraft (woodworking, metalwork, etc). And vice versa.
Different strokes for different folks. And so on and so on and scooby dooby dooby.
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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.
Radio Garden is a website that presents you with a spinnable globe of the Earth. The green dots represent radio stations. Rotate the globe, click a dot and you are suddenly listening to live radio in that part of the world. Right now I’m listening to Radio Seaside Wave in Nakhodka, Russia. — MF
Exploratory music stream
For the past decade David Byrne, the legendary rock musician, has operated his own “radio station,” which is really the curated playlist of his own musical explorations. Every month on his website David Byrne Radio, Byrne streams another 100-minute loop of new, old, classic, weird, wonderful, surprising, themed music he’s discovered and loves. He writes a short introduction, and supplies the full playlist. I’ve discovered (and bought) a lot of great music I first heard here. (In Nov 2018 he streamed a notable playlist of eternal protest songs.) — KK
Time machine for music
If you pick a year from your past (1951-2015), The Nostalgia Machine will warp you back musically and link you to videos of the top Billboard Hits of that time. 1996 takes me back to sixth grade and TLC and Alanis Morissette and a lot of weekend nights spent at the rollerskating rink. — CD
Best meditation music
There’s rarely a day that goes by that I don’t listen to my Meditative Mind: Music & Sleep app. There are hundreds and hundreds of soothing and immersive soundscapes, chants, mantras, nature sounds and world music to choose from. I use it when I need to focus, meditate or sleep. The app is free to download and try out, but I happily pay the annual subscription for access to their full library, unlimited downloads and an ad-free experience. There is also a YouTube channel with lots of long-format music tracks added almost daily. — CD
X-ray into music
You know about Song Exploder, yes? It’s this amazing podcast that takes one well-known song each week and explodes it into its separate components. The musicians who wrote and perform the song take it apart track by track, sometimes beat by beat, explaining what they were thinking as they created the pieces: what challenges and dead-ends they met along the way, how the song changed as they worked on it, and why they like the final version. It’s the x-ray into music I always wanted. — KK
Enjoy the boss radio sound of KHJ 93 Los Angeles
One of my favorite things about Quentin Tarantino’s Once Upon a Time… in Hollywood was listening to clips of 93 KHJ, a radio station that pioneered the “boss radio” sound in the 1960s. The DJs were all vocal virtuosos, and the most talented of the bunch was a guy by the name of “The Real Don Steele.” Almost all of these broadcasts have been lost to time, but fortunately, some people recorded KHJ on their tape recorders in the 1960s, and the recordings found their way to the Internet. The Internet Archive has a couple of recordings from the 1960s of Steele’s show on KHJ. Here’s another, and another (with other KHJ DJs, too). If this kind of thing interests you, you can dig up more by searching “khj airchecks.” — MF