Filament Spool Dry Box – Pelican-Style Latching #3DPrinting #3DThursday

bcrooks shares:

A Pelican-style latching dry box for a single 1kg filament spool. Robust latches with a TPU seal keep moisture out. Separate desiccant compartments hold beads in place, with an optional hygrometer install for humidity monitoring. Base needs tree support for the hygrometer variant. Ironed top surface for better sealing. By bcrooks

download the files on: https://makerworld.com/en/models/1064037-filament-spool-dry-box

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Every Thursday is #3dthursday here at Adafruit! The DIY 3D printing community has passion and dedication for making solid objects from digital models. Recently, we have noticed electronics projects integrated with 3D printed enclosures, brackets, and sculptures, so each Thursday we celebrate and highlight these bold pioneers!

Have you considered building a 3D project around an Arduino or other microcontroller? How about printing a bracket to mount your Raspberry Pi to the back of your HD monitor? And don’t forget the countless LED projects that are possible when you are modeling your projects in 3D!

LIVE CHAT IS HERE! http://adafru.it/discord

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Shop for parts to build your own DIY projects http://adafru.it/3dprinting

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Pyramid Ambient Light Desk Lamp – Grid Diffuser Panels #3DThursday #3DPrinting

Shared by canmaxfire on Maker World:

A pyramid-shaped ambient lamp with four PETG hollow-out light-shielding panels forming a grid texture around an internal semi-translucent sphere. Light scatters through the sphere and grid panels to create warm layered ambient effects. Egyptian architecture meets modern maker aesthetic.

Download the files and learn more

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Every Thursday is #3dthursday here at Adafruit! The DIY 3D printing community has passion and dedication for making solid objects from digital models. Recently, we have noticed electronics projects integrated with 3D printed enclosures, brackets, and sculptures, so each Thursday we celebrate and highlight these bold pioneers!

Have you considered building a 3D project around an Arduino or other microcontroller? How about printing a bracket to mount your Raspberry Pi to the back of your HD monitor? And don’t forget the countless LED projects that are possible when you are modeling your projects in 3D!

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A Modern Desk Lamp – Bambu Lamp Kit 001 with 3-Point Adjustability #3DThursday #3DPrinting

Shared by pops on Maker World:

A minimalist Swedish-modern desk lamp with three degrees of adjustability that make it genuinely functional (not just decorative). Uses two 3D-printed screws with matching filleted profiles to interlock arm ends — tighten to adjust stiffness. Designed around the Bambu Lab LED Lamp Kit 001.

Download the files and learn more

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Every Thursday is #3dthursday here at Adafruit! The DIY 3D printing community has passion and dedication for making solid objects from digital models. Recently, we have noticed electronics projects integrated with 3D printed enclosures, brackets, and sculptures, so each Thursday we celebrate and highlight these bold pioneers!

Have you considered building a 3D project around an Arduino or other microcontroller? How about printing a bracket to mount your Raspberry Pi to the back of your HD monitor? And don’t forget the countless LED projects that are possible when you are modeling your projects in 3D!

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How do pull back cars work?

Bryan, on the Mechanical Pencil website, takes a look at toy Pull Back Cars.

These cars are pretty magical. By pushing down and pulling the car back just a little, the car builds up significant energy and can shoot forward at super high speeds. Hiding inside the body of the car lives some clever clockwork that propels the car forward.

The wind-up mechanism inside these toy cars was invented in 1970 by Darda, a West-German company.  Before their invention, toys like this required manual winding with a key.

It’s just a toy. There can’t be that many parts, right?

See the details with wonderful interactive graphics here.

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The Life and Times of Maxis Software, part 1: SimEverything

Jimmy Maher writes about how SimCity’s massive success bankrolled a run of gloriously earnest flops. Author Will Wright himself admitted SimCity was a caricature of a city, not a real simulation — yet it invented the city-builder genre, legitimized sandbox play, and left its fingerprints on everything from Civilization to modern strategy games.

The follow-ups chased big ideas but not fun: SimEarth (the Gaia hypothesis as a planet), SimAnt (ant colonies as distributed intelligence), and the increasingly abstract SimLife and SimFarm. All were fascinating to think about, tedious to play, and sold a fraction of the original. SimCity kept the lights on, spreading to every platform including the SNES, where Miyamoto turned Wright into the “Dr. Wright” advisor character.

The arc closes with a $10M investment nudging a reluctant Wright into SimCity 2000 — a polished, market-savvy sequel that delivered exactly what was asked and earned Maxis the freedom to stay weird. Affectionate but honest: it admires the ambition while conceding most of these toys were better in theory than in the playing.

See the whole story unfolds in Jimmy’s article here.

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Cursed circuits: a capacitance multiplier

The lca,tuf’s thing blog takes a look at a capacitance multiplier circuit.

It’s the kind of a circuit that usually doesn’t make sense at first glance because we can’t pattern-match it to anything we know:

Section A is just an op-amp configured as a voltage follower. No matter what else is going in the circuit, it takes some voltage from section B and then mirrors that signal on its output leg.

Section B is a capacitor that’s charging through a resistor; the voltage across the capacitor’s terminals (Vcap) will change over time.

See the full review in the post here.

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JP’s Product Pick of the Week 7/7/26

What was JP’s pick of the week? It was our 2.9″ Grayscale eInk / ePaper Display FeatherWing! This ‘Wing is tested to work with all of our Feathers, from the ESP8266 to the M0. Check out the video to learn more and see how it use it.

Want more JP’s Product Pick of the Week?! Tune in every Tuesday at 4pm ET and 1pm PT on Youtube LIVE, Twitch, Periscope (Twitter) and Facebook. LIVE TEXT CHAT IS HERE in the Adafruit Discord chat!

Catch previous editions on YouTube and don’t miss our gift guide!

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