More from Alex Meub
3D Printing has allowed me to be creative in ways I never thought possible. It has allowed me to create products that provide real value, products that didn’t exist before I designed them. On top of that, it’s satisfied my desire to ship products, even if the end-user is just me. Another great thing is how quickly 3D printing provides value. If I see a problem, I can design and print a solution that works in just a few hours. Even if I’m the only one who benefits, that’s enough. But sharing these creations takes the experience even further. When I see others use or improve on something I’ve made, it makes the process feel so much more worthwhile. It gives me the same feeling of fulfillment when I ship software products at work. Before mass-market 3D printing, creators would need to navigate the complexity and high costs of mass-production methods (like injection molding) even to get a limited run of a niche product produced. With 3D printing, they can transfer the cost of production to others. Millions of people have access to good 3D printers now (at home, work, school, libraries, maker spaces), which means almost anyone can replicate a design. Having a universal format for sharing 3D designs dramatically lowers the effort that goes into sharing them. Creators can share their design as an STL file, which describes the surface geometry of their 3D object as thousands of little triangles. This “standard currency” of the 3D printing world is often all that is required to precisely replicate a design. This dramatically lowers the effort that goes into sharing printable designs. The widespread availability of 3D printers and the universal format for sharing 3D designs has allowed 3D-printed products to not only exist but thrive in maker communities. This is the magic of 3D printing: it empowers individuals to solve their own problems by designing solutions while enabling others to reproduce those designs at minimal cost and effort.
Last summer, I was inspired by a computer that was built inside of a toaster that I saw at a local computer recycling store. The idea of a computer with the design of a home appliance was really appealing and so was the absurdity of it. It occurred to me that this would be a fun and creative way to integrate technology into my life. After thinking about it, I realized there’s also something visually appealing about how simple and utilitarian toasters are. I have major nostalgia for the famous After Dark screensaver and I think this is why. I knew now that I wanted to make my own attempt at a toaster/computer hybrid. I decided to do just that when I created the DataToaster 3000: a toaster NAS with two 3.5 inch hard disk docking stations built inside it. The hard disks can be easily swapped out (while powered off) without taking anything apart. It uses a Zimaboard x86-64 single board computer and even has a functional knob that controls the color of the power LED. I designed a fairly complex set of 3D-printed parts that attach to the base of the toaster and hold everything neatly in place. This allows it to be easily disassembled if I ever want to make any modifications and also hopefully makes the project easier to build for others. It’s a ridiculous thing but I really do love it. You can find the build guide on Instructables and the 3D models on Printables.
I wanted to add more hauling capacity to my bike and was looking for something compatible with my Yepp rear rack. I also use my rack with a child seat (the Yepp Maxi) which has a mechanism that allows it to attach and detach easily without sacrificing safety. I was thinking it would be great to build a Yepp compatible rear basket that could I just as quickly attach/detach from my rack. I designed a removable Yepp-rack-compatible rear basket that consists of a milk crate, some plywood for stability and a 3D printed bracket threaded for M6 bolts which hold it all together. It can be attached and removed in seconds and is very secure. 3D Printed Mounting Bracket I modeled my mounting bracket after the one on the Yepp Maxi childseat. After a few iterations I was able to make it perfectly fit. I printed it in PETG filament so it was UV resistant and then installed threaded inserts for M6 bolts to attach it to the milk crate and my rear rack. 3D Print and Build Instructions You can find the 3D print on Printables and a full build guide on Instructables.
The Yoto Mini is one of my favorite products. The team behind it deeply understands its users and put just the right set of features into a brilliantly designed package. I have no affiliation with Yoto, I’m just a happy customer with kids who love it. If you aren’t aware, Yoto is an audio platform for kids with what they call “screen-free” audio players (even though they have little pixel LED screens on them). The players are Wi-Fi enabled and support playing audio from credit card-sized NFC tags called Yoto cards. Yoto sells audio players and also licenses audio content and offers it on its platform as well. The cards themselves do not contain any audio data, just a unique ID of the audio content that is pulled from the cloud. After content is pulled on the first play, it is saved and played locally from the player after that. Yoto also supports playing podcasts and music stations without using cards. Their marketing puts a lot of emphasis on the platform being “ad-free” which is mostly true as there are never ads on Yoto cards or official Yoto podcasts. However, some of the other podcasts do advertise their content. So, what’s so great about the Yoto Mini? This concept isn’t new as there have been many examples of audio players for kids over the years. What sets it apart is how every detail of the hardware, mobile app, and exclusive content is meticulously designed and well executed. Yoto Mini Hardware The main input methods of the Yoto Mini are two orange knobs, turning the left knob controls volume and the right knob navigates chapters or tracks. Pressing the right knob instantly plays the Yoto Daily podcast and pressing it twice plays Yoto Radio (a kid-friendly music station). These actions are both configurable in the mobile app. The NFC reader slot accepts Yoto cards and instantly starts playing where you left off after you insert one. It has a high-quality speaker that can be surprisingly loud, an on/off button, a USB-C charging port, an audio output jack, and a small pixel display that shows images related to the audio content. The Yoto Mini is also surprisingly durable. My kids have dropped it many times on hard surfaces and it still basically looks as good as new. Yoto understands that the physical audio player itself is primarily used by younger kids and the design reflects this. My 3-year-old daughter was able to figure out how to turn it on/off, start listening to books using cards, and play the Yoto Daily podcast each morning which was empowering for her. This was her first technology product that she was fully capable of using without help from an adult. I can’t think of many other products that do this better. Yoto Mobile App The Yoto team understands that parents are users of this product too, mostly for managing the device and its content. Yoto has built a very good mobile experience that is tightly integrated with the hardware and provides all the features you’d want as a parent. From the app, you can start playing any of the content from cards you own on the player or your phone (nice if your kids lose a card), you can set volume limits for both night and day time, you can set alarms, and configure the shortcut buttons. You can record audio onto a blank Yoto card (which comes with the player) if your kid wants to create their own story, link it to their favorite podcast or favorite music. The app even lets you give each track custom pixel art that is displayed on the screen. Audio Content By far the most underrated feature is a daily podcast called Yoto Daily. This ad-free podcast is run by a charming British host and it is funny, entertaining, and educational. My kids (now 4 and 7) look forward to it every morning and the fact that it’s daily free content that is integrated directly into the Yoto hardware is amazing. To me, this is the killer feature, as my kids get to enjoy it every day and it’s always fresh and interesting. Yoto licenses content from child book authors, popular kid’s shows, movies, and music (recently the Beatles) which are made available in their store. I also discovered that Yoto does not seem to lock down its content with DRM. My son traded some Yoto cards with a friend and I assumed there would be some kind of transfer or de-registration process but to my surprise, they just worked without issue. Conclusion The Yoto Mini is a delightful product. The team behind it thought through every detail and made it an absolute joy to use both as a child and parent. I’m impressed at how well the Yoto team understands their users and prioritizes simplicity and ease of use above all else.
When I first got my 3D printer, I built an enclosure to protect it from dust, maintain a consistent temperature, and minimize noise. I was surprised to find that the enclosure didn’t reduce noise that significantly. I then placed a patio paver under my printer, which made it noticeably quieter, but it was still audible from other rooms in my house. Recently, I found the most effective noise reduction solution: squash balls. These balls are designed with varying bounce levels, indicated by colored dots. The “double-yellow dot” balls have a very low bounce, making them ideal for dampening vibration, which is the primary cause of printer noise. I found an existing design for squash ball feet, printed it, and hot glued them evenly under my patio paver. My current setup includes the enclosure, patio paver, and squash balls under the paver. Now, the printer is so quiet that I actually can’t tell if it’s running, even when I’m in the same room. Occasionally, I will hear the stepper motors, but that’s rare. Most of the time I need to open the enclosure to make sure it’s still printing.
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Denmark has been reaping lots of delayed accolades from its relatively strict immigration policy lately. The Swedes and the Germans in particular are now eager to take inspiration from The Danish Model, given their predicaments. The very same countries that until recently condemned the lack of open-arms/open-border policies they would champion as Moral Superpowers. But even in Denmark, thirty years after the public opposition to mass immigration started getting real political representation, the consequences of culturally-incompatible descendants from MENAPT continue to stress the high-trust societal model. Here are just three major cases that's been covered in the Danish media in 2025 alone: Danish public schools are increasingly struggling with violence and threats against students and teachers, primarily from descendants of MENAPT immigrants. In schools with 30% or more immigrants, violence is twice as prevalent. This is causing a flight to private schools from parents who can afford it (including some Syrians!). Some teachers are quitting the profession as a result, saying "the Quran run the class room". Danish women are increasingly feeling unsafe in the nightlife. The mayor of the country's third largest city, Odense, says he knows why: "It's groups of young men with an immigrant background that's causing it. We might as well be honest about that." But unfortunately, the only suggestion he had to deal with the problem was that "when [the women] meet these groups... they should take a big detour around them". A soccer club from the infamous ghetto area of Vollsmose got national attention because every other team in their league refused to play them. Due to the team's long history of violent assaults and death threats against opposing teams and referees. Bizarrely leading to the situation were the team got to the top of its division because they'd "win" every forfeited match. Problems of this sort have existed in Denmark for well over thirty years. So in a way, none of this should be surprising. But it actually is. Because it shows that long-term assimilation just isn't happening at a scale to tackle these problems. In fact, data shows the opposite: Descendants of MENAPT immigrants are more likely to be violent and troublesome than their parents. That's an explosive point because it blows up the thesis that time will solve these problems. Showing instead that it actually just makes it worse. And then what? This is particularly pertinent in the analysis of Sweden. After the "far right" party of the Swedish Democrats got into government, the new immigrant arrivals have plummeted. But unfortunately, the net share of immigrants is still increasing, in part because of family reunifications, and thus the problems continue. Meaning even if European countries "close the borders", they're still condemned to deal with the damning effects of maladjusted MENAPT immigrant descendants for decades to come. If the intervention stops there. There are no easy answers here. Obviously, if you're in a hole, you should stop digging. And Sweden has done just that. But just because you aren't compounding the problem doesn't mean you've found a way out. Denmark proves to be both a positive example of minimizing the digging while also a cautionary tale that the hole is still there.
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When the iPhone first appeared in 2007, Microsoft was sitting pretty with their mobile strategy. They'd been early to the market with Windows CE, they were fast-following the iPod with their Zune. They also had the dominant operating system, the dominant office package, and control of the enterprise. The future on mobile must have looked so bright! But of course now, we know it wasn't. Steve Ballmer infamously dismissed the iPhone with a chuckle, as he believed all of Microsoft's past glory would guarantee them mobile victory. He wasn't worried at all. He clearly should have been! After reliving that Ballmer moment, it's uncanny to watch this CNBC interview from one year ago with Johny Srouji and John Ternus from Apple on their AI strategy. Ternus even repeats the chuckle!! Exuding the same delusional confidence that lost Ballmer's Microsoft any serious part in the mobile game. But somehow, Apple's problems with AI seem even more dire. Because there's apparently no one steering the ship. Apple has been promising customers a bag of vaporware since last fall, and they're nowhere close to being able to deliver on the shiny concept demos. The ones that were going to make Apple Intelligence worthy of its name, and not just terrible image generation that is years behind the state of the art. Nobody at Apple seems able or courageous enough to face the music: Apple Intelligence sucks. Siri sucks. None of the vaporware is anywhere close to happening. Yet as late as last week, you have Cook promoting the new MacBook Air with "Apple Intelligence". Yikes. This is partly down to the org chart. John Giannandrea is Apple's VP of ML/AI, and he reports directly to Tim Cook. He's been in the seat since 2018. But Cook evidently does not have the product savvy to be able to tell bullshit from benefit, so he keeps giving Giannandrea more rope. Now the fella has hung Apple's reputation on vaporware, promised all iPhone 16 customers something magical that just won't happen, and even spec-bumped all their devices with more RAM for nothing but diminished margins. Ouch. This is what regression to the mean looks like. This is what fiefdom management looks like. This is what having a company run by a logistics guy looks like. Apple needs a leadership reboot, stat. That asterisk is a stain.
I’ve made another small tweak to the site – I’ve added “new” banners to articles I’ve written recently, and any post marked as “new” will be pinned to the homepage. Previously, the homepage was just a random selection of six articles I’d written at any time. Last year I made some changes to de-emphasise sorting by date and reduce recency bias. I stand by that decision, but now I see I went too far. Nobody comes to my site asking “what did Alex write on a specific date”, but there are people who ask “what did Alex write recently”. I’d made it too difficult to find my newest writing, and that’s what this tweak is trying to fix. This should have been a simple change, but it became a lesson about the inner workings of CSS. Absolute positioning and my first attempt I started with some code I wrote last year. Let’s step through it in detail. <div class="container"> <div class="banner">NEW</div> <img src="computer.jpg"> </div> NEW .banner { position: absolute; } absolute positioning, which removes the banner from the normal document flow and allows it to be placed anywhere on the page. Now it sits alone, and it doesn't affect the layout of other elements on the page – in particular, the image no longer has to leave space for it. NEW .container { position: relative; } .banner { transform: rotate(45deg); right: 16px; top: 20px; } NEW I chose the transform, right, and top values by tweaking until I got something that looked correct. They move the banner to the corner, and then the transform rotates it diagonally. The relative position of the container element is vital. The absolutely positioned banner still needs a reference point for the top and right, and it uses the closest ancestor with an explicit position – or if it doesn’t find one, the root <html> element. Setting position: relative; means the offsets are measured against the sides of the container, not the entire HTML document. This is a CSS feature called positioning context, which I’d never heard of until I started writing this blog post. I’d been copying the position: relative; line from other examples without really understanding what it did, or why it was necessary. (What made this particularly confusing to me is that if you only add position: absolute to the banner, it seems like the image is the reference point – notice how, with just that property, the text is in the top left-hand corner of the image. It’s not until you set top or right that the banner starts using the entire page as a reference point. This is because an absolutely positioned element takes its initial position from where it would be in the normal flow, and doesn’t look for a positioned ancestor until you set an offset.) .banner { background: red; color: white; } NEW .banner { right: -34px; top: 18px; padding: 2px 50px; } NEW .container { overflow: hidden; } box-shadow on my homepage to make it stand out further, but cosmetic details like that aren’t important for the rest of this post. NEW As a reminder, here’s the HTML: <div class="container"> <div class="banner">NEW</div> <img src="computer.jpg"> </div> and here’s the complete CSS: .container { position: relative; overflow: hidden; } .banner { position: absolute; background: red; color: white; transform: rotate(45deg); right: -34px; top: 18px; padding: 2px 50px; } It’s only nine CSS properties, but it contains a surprising amount of complexity. I had this CSS and I knew it worked, but I didn’t really understand it – and especially the way absolute positioning worked – until I wrote this post. This worked when I wrote it as a standalone snippet, and then I deployed it on this site, and I found a bug. (The photo I used in the examples is from Viktorya Sergeeva on Pexels.) Dark mode, filters, and stacking contexts I added dark mode support to this site a couple of years ago – the background changes from white to black, the text colour flips, and a few other changes. I’m a light mode person, but I know a lot of people prefer dark mode and it was a fun bit of CSS work, so it’s there. The code I described above breaks if you’re using this site in dark mode. What. I started poking around in my browser’s developer tools, and I could see that the banner was being rendered, but it was under the image instead of on top of it. All my positioning code that worked in light mode was broken in dark mode. I was baffled. I discovered that by adding a z-index property to the banner, I could make it reappear. I knew that elements with a higher z-index will appear above an element with a lower z-index – so I was moving my banner back out from under the image. I had a fix, but it felt uncomfortable because I couldn’t explain why it worked, or why it was only necessary in dark mode. I wanted to go deeper. I knew the culprit was in the CSS I’d written. I could see the issue if I tried my code in this site, but not if I copied it to a standalone HTML file. To find the issue, I created a local branch of the site, and I started deleting CSS until I could no longer reproduce the issue. I eventually tracked it down to the following rule: @media (prefers-color-scheme: dark) { /* see https://web.dev/articles/prefers-color-scheme#re-colorize_and_darken_photographic_images */ img:not([src*='.svg']):not(.dark_aware) { filter: grayscale(10%); } } This applies a slight darkening to any images when dark mode is enabled – unless they’re an SVG, or I’ve added the dark_aware class that means an image look okay in dark mode. This makes images a bit less vibrant in dark mode, so they’re not too visually loud. This is a suggestion from Thomas Steiner, from an article with a lot of useful advice about supporting dark mode. When this rule is present, the banner vanishes. When I delete it, the banner looks fine. Eventually I found the answer: I’d not thought about (or heard of!) the stacking context. The stacking context is a way of thinking about HTML elements in three dimensions. It introduces a z‑axis that determines which elements appear above or below each other. It’s affected by properties like z-index, but also less obvious ones like filter. In light mode, the banner and the image are both part of the same stacking context. This means that both elements can be rendered together, and the positioning rules are applied together – so the banner appears on top of the image. In dark mode, my filter property creates a new stacking context. Applying a filter to an element forces it into a new stacking context, and in this case that means the image and the banner will be rendered separately. Browsers render elements in DOM order, and because the banner appears before the image in the HTML, the stacking context with the banner is rendered first, then the stacking context with the image is rendered separately and covers it up. The correct fix is not to set a z-index, but to swap the order of DOM elements so the banner is rendered after the image: <div class="container"> <img src="computer.jpg"> <div class="banner">NEW</div> </div> This is the code I’m using now, and now the banner looks correct in dark mode. In hindsight, this ordering makes more sense anyway – the banner is an overlay on the image, and it feels right to me that it should appear later in the HTML. If I was laying this out with bits of paper, I’d put down the image, then the banner. One example is nowhere near enough for me to properly understand stacking contexts or rendering order, but now I know it’s a thing I need to consider. I have a vague recollection that I made another mistake with filter and rendering order in the past, but I didn’t investigate properly – this time, I wanted to understand what was happening. I’m still not done – now I have the main layout working, I’m chasing a hairline crack that’s started appearing in the cards, but only on WebKit. There’s an interaction between relative positioning and border-radius that’s throwing everything off. CSS is hard. I stick to a small subset of CSS properties, but that doesn’t mean I can avoid the complexity of the web. There are lots of moving parts that interact in non-obvious ways, and my understanding is rudimentary at best. I have a lot of respect for front-end developers who work on much larger and more complex code bases. I’m getting better, but CSS keeps reminding me how much more I have to learn. [If the formatting of this post looks odd in your feed reader, visit the original article]