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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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Close.city is an interactive map designed to help you find neighborhoods in the United States that are within a short walking distance of amenities like supermarkets, public transportation, cafes, co-working spaces, bookstores, and other facilities. It's useful when searching for a hotel, Airbnb, or apartment that's near the kinds of places that are important to you — MF
Find a Moon Tree near you
I didn’t know about the tree seeds that flew around the Moon in 1971 and were planted upon return until I read this article in The Atlantic: We Almost Forgot About the Moon Trees. All of the locations of these Moon Trees are kept here and up-to-date, including the ones no longer alive. Visiting as many of these trees as possible is now on my travel bucket list. — CD
Offbeat attractions guide
Whenever I travel I search for my destination at the Atlas Obscura website. It will yield dozens of very obscure, very offbeat attractions in the area. How else can you find a nearby museum of parasites, or trail of doll heads, or a restaurant of robots, underground tunnels, or a store for time travel? — KK
360-degree videos from around the world
Visit AirPano to watch 360 videos of beautiful places on Earth, from Tokyo’s Shibuya Scramble pedestrian crossing (the busiest in the world), to a village of the Warao Indigenous people on the Orinoco River in Venezuela. My travel bucket list grew after watching some of these videos. — MF
Calendar of festivals
I try to coordinate my travel to exotic places with local festivals that occur at the same time. Trouble is, there’s been no easy way to find out which festivals are happening where. For example many traditional celebrations run on a lunar cycle. So I built a calendar that will show me all the festivals in Asia that are happening on a particular day. Or I can look at the map and see what festivals occur nearby and when. My site is called Festivo. It provides the local festivals of Asia—which are crammed with color, costumes, and traditions—in calendar format. It’s open and free to all, no ads. If enough people (besides myself) find it useful I will expand it to Europe, Africa, and the rest of the world. — KK
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