DaVinci’s New Threads

February 16, 2025 by Al Williams 16 Comments

Last year, we saw [How To Make Everything’s] take on [DaVinci’s] machine for cutting threads. However, they stopped short of the goal, which was making accurate metal screw threads. After much experimentation, they have a working solution. In fact, they tried several different methods, each with varying degrees of success.

Some of the more unusual methods included heating a bar red hot and twisting it, and casting a screw out of bronze. The last actually worked well with a normal screw as the mold, although presumably, a good wood or wax shape would have resulted in a workable mold, too.

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[Quinn Dunki] Makes A Screw Shortener Fit For Kings

February 16, 2025 by Elliot Williams 48 Comments

It’s common problem when you’re building anything with screws: this one is too long, this one is too short. While she can’t teach you how to fix the latter, [Quinn Dunki] has made herself an absolutely deluxe screw shortening jig. And while that’s cool and all, the real value here is the journey; watching over [Quinn]’s shoulders while she’s in the machine shop is always illuminating.

First off, she starts with her old jig, which frankly makes us want one. It’s a short piece of aluminum angle stock with threaded holes in it. You thread the screw in as far as you want, and use the edge as a cutting guide. Very nice!

But aluminum threads wear out quickly so it works if you’re shortening dozens of screws, but gets wonky when you need to cut hundreds. The new jig is made out of steel, and has a slit that clamps the threads in place so she doesn’t have to hold the tiny screws with her other hand while sawing.

This video is, on the surface, about making an improved tool out of steel. But it’s the tips along the way that make it worth your watch. For instance “deburr early and often” is a recurring leitmotif here: it keeps the extra bits that form along any cut from messing up edge finding or vise registration. And yeah, she deburrs after every operation.

There are mistakes, and lessons learned along the way. We’re not going to spoil it all. But in the end, it’s a sweet tool that we’ve never seen before.

If you haven’t read [Quinn]’s series on machine tools that she wrote for us, it’s a treasure trove of machining wisdom.

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Man using a table saw with a VR headset on

Chop, Chop, Chop: Trying Out VR For Woodworking

February 15, 2025 by Heidi Ulrich 23 Comments

Virtual Reality in woodworking sounds like a recipe for disaster—or at least a few missing fingers. But [The Swedish Maker] decided to put this concept to the test, diving into a full woodworking project while wearing a Meta Quest 3. You can check out the full experiment here, but let’s break down the highs, lows, and slightly terrifying moments of this unconventional build.

The plan: complete a full furniture build while using the VR headset for everything—from sketching ideas to cutting plywood. The Meta Quest 3’s passthrough mode provided a semi-transparent AR view, allowing [The Swedish Maker] to see real-world tools while overlaying digital plans. Sounds futuristic, right? Well, the reality was more like a VR fever dream. Depth perception was off, measuring was a struggle, and working through a screen-delayed headset was nauseating at best. Yet, despite the warped visuals, the experiment uncovered some surprising advantages—like the ability to overlay PDFs in real-time without constantly running back to a computer.

So is VR useful to the future of woodworking? If you’re a woodworking novice, you might steer clear from VR and read up on the basics first. For the more seasoned: maybe, when headsets evolve beyond their current limitations. For now, it’s a hilarious, slightly terrifying experiment that might just inspire the next wave of augmented reality workshops. If you’re more into electronics, we did cover the possibilities with AR some time ago. We’re curious to know your thoughts on this development in the comments!

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Magnetic Vise Makes Positioning Your Workpiece Easier

February 14, 2025 by Lewin Day 12 Comments

[Chris Borge] was doing some fine tapping operations, and wanted a better way to position his workpieces. This was critical to avoid breaking taps or damaging parts. To this end, he whipped up a switchable magnetic vice to do the job.

The key to the build is that the magnetic field can be switched on and off mechanically. This is achieved by having two sets of six magnets each. When the poles of both sets of magnets are aligned, the magnetic field is effectively “on.” When the poles are moved to oppose each other, they effectively cancel each other out, turning the field “off.” [Chris] achieved this functionality with 12 bar magnets, 12 M12 nuts, and a pair of 3D-printed rings. Rotating the rings between two alignments serves to switch the set up on or off. The actual switching mechanism is handled with a cam and slider setup which allowed [Chris] to build a convenient vice with a nice large working area. He also took special effort to ensure the device wouldn’t pick up large amounts of ferrous swarf that would eventually clog the mechanism.

It’s a neat build, and one you can easily recreate yourself. [Chris] has supplied the files online for your printing pleasure. We’ve featured some other types of magnetic vise before, too. Video after the break.

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Safer And More Consistent Woodworking With A Power Feeder

February 12, 2025 by Maya Posch 24 Comments

Woodworking tools like table- and bandsaws are extremely useful and versatile, but they generally have the distinct disadvantage that they make no distinction between the wood and the digits of the person using the machine. While solutions like SawStop were developed to make table saws sense flesh and try to not cut it, [James Hamilton] makes a compelling argument in a recent video for the use of power feeders.

These devices are placed above the table and feed the material into the machine without having to get one’s digits anywhere near the machine. Other than the safety aspect, it also means that the material is always fed in at a consistent speed, which is great when using it with a router table. Most of these power feeders are portable, so a single unit can be moved from the table saw to the router table, with [James] showing how he is using MagSwitch magnetic clamps to ease the process of moving between machines.

With the 1/8 HP mini power feeder that he’s using, the 4 magnetic clamps appear to be enough even when cutting hardwood on the table saw, but it’s important to make sure the power feeder doesn’t twist while running, for obvious safety reasons. On [James]’s wish list is a way to make moving the power feeder around more efficient, because he only has a single one, for cost reasons.

Although these power feeders cost upwards of $1,000, the benefits are obvious, including when running larger jobs. One might conceivably also DIY a solution, as they appear to be basically an AC motor driving a set of wheels that grip the material while feeding. That said, do you use a power feeder, a SawStop table saw or something else while woodworking?

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A Tube, The Wooden Kind

February 6, 2025 by Al Williams 21 Comments

While we aren’t heavy-duty woodworkers, we occasionally make some sawdust as part of a project, and we admire people who know how to make wood and do what they want. We were surprised when [Newton Makes] showed a wooden dowel that was quite long and was mostly hollow. The wall was thin, the hole was perfectly centered, and he claimed he did not use a drill to produce it. Check it out in the video below and see what you think.

We don’t want to spoil the surprise, but we can tell you that making something that long with a drill or even a drill press would be very difficult. The problem is that drills have runout — the bits are usually not totally centered, so the bit doesn’t spin like you think it does. Instead, it spins and rotates around a small circle.

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Custom PCB Is A Poor Man’s Pick And Place

February 4, 2025 by Dan Maloney 6 Comments

Surface mount devices have gotten really small, so small that a poorly timed sneeze can send your 0603 and 0402 parts off to live with the dust motes lurking at the edge of your bench. While soldering such parts is a challenge, it’s not always size that matters. Some parts with larger footprints can be a challenge because of the pin pitch, and getting them to land just right on the PCB pads can be a real pain.

To fight this problem, [rahmanshaber] came up with this clever custom PCB fixture. The trick is to create a jig to hold the fine-pitch parts securely while still leaving room to work. In his case, the parts are a couple of SMD ribbon cable connectors and some chips in what appear to be TQFP packages. [rahmanshaber] used FreeCAD to get the outline of each part from the 3D model of his PCB, and KiCad to design the cutouts; skip to 7:30 or so in the video below if you don’t need the design lesson. The important bit is to leave enough room around the traces so that the part’s leads can rest of the PCB while still having room to access them.

Using the fixture is pretty intuitive. The fixture is aligned over the footprint of the part and fixed in place with some tape. Solder paste is applied to the pads, the part is registered into the hole, and you’re ready for soldering. [rahmanshaber] chose to use a hot plate to do the soldering, but it looks like there’s enough room for a soldering iron, if that’s your thing.

It’s a simple idea, but sometimes the simplest tools are the best. We’ve seen lots of other simple SMD tools, from assembly jigs to solder paste stencil fixtures. Continue reading “Custom PCB Is A Poor Man’s Pick And Place” →