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The Three Piece Burr Puzzle
Somewhere around middle-school, I came across a diagram of the classic three-piece burr puzzle. It looked fun, so I endeavored to make one. Unfortunately, the materials available to me then (a scrap...
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Delete – A Design History of Computer Vaporware
Amazon Even if “history is written by the victors”, that doesn’t mean the losers don’t have interesting stories to tell. Delete – a Design History of Computer Vaporware is the story of various...
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How to Make Apple’s Mac Pro Holes
Apple’s recently introduced Mac Pro features a distinctive pattern of holes on the front grill. I’m not likely to own one anytime soon (prices for a well configured machine approach a new car), but...
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A Clip for the Apple Pencil
The original Apple Pencil, in addition to its phenomenally bad charging method, has no means to keep it with the iPad. The nice leather Sena case we keep the iPad in doesn’t have a loop for the...
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Design Lesson Learned: Model the Environment
On a recent trip I picked up a art-glass marble for my wife. She liked it so much she bought a nice lighted display stand for it. The stand wasn’t designed to display that particular marble though, so...
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The Fit Testing Block
Fantasy version of the fit testing set, milled to the micron in stainless steel How Accurate is Your 3D Print?I Tested Nine Services to Find Out Updated Nov 2021 to add PCBWay prints.Updated Sep 2023...
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The Return of Attic
Many years ago, I repurposed an ageing Dell tower PC into a household server named “Attic.” After the fire, we had to move out of the house for a while, and it no longer made sense to keep it. So I...
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Mac Software Lives Again
Back in the mid/late 1980s I wrote a couple of cool (to me at least) Macintosh Applications. Macintosh Pico This is an image processing language demo based Gerard Holzmann’s book Beyond Photography –...
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After Ten Years, a New Computer
Four decades of personal computer purchases Forty years ago, Moore’s Law was on a tear when it came to personal computing. Every year or two, CPU clock speeds doubled, RAM prices fell by half, and the...
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Some Boots for the Lelo Self-Balancing Triangle
One of the cool things modern tech has made straightforward is the ability for gadgets to balance themselves. Spinning reaction wheels allow a device to change its position and hold it in place, even...
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