Whenever HN discusses seasonal affective disorder, myopia, or bright home lighting, people point to this as the most convincing buildable example of sunlight-like illumination.
Topics › Engineering, Transport & Making
The best 3d printing, cnc & maker projects videos, according to Hacker News
58 videos about 3d printing, cnc & maker projects that Hacker News commenters keep pointing each other to, ranked by how many separate months they were recommended. Part of Engineering, Transport & Making.
Recommended as a fantastic talk on code-driven CAD and custom keyboard design, linked in threads on OpenSCAD and keyboards.
HN finds the miniaturization mind-blowing and cites it as a standout example of surreal hobbyist technology.
Recommended as a gold-standard free course for anyone learning to build precision mechanical things.
HN commenters point to it as the start of a gripping, wonder-inducing build saga by a prolific maker of ambitious mechanical projects.
HN recommends it as an excellent beginner series that fills FreeCAD's gap in learning material.
Recommended to anyone interested in telescope making as a guide from Dobson himself.
HN users recommend MangoJelly's thorough tutorials as the best way to learn FreeCAD properly, since trial and error doesn't work.
HN points to it in threads on artificial sunlight, as a buildable and surprisingly convincing artificial window.
HN commenters point to it as a build guide for cheap DIY speakers that sound as good as expensive ones.
HN finds the project-scoping rubric useful for programmers too and recommends it on finishing side projects.
HN people recommend it, along with the Lock Picking Lawyer's response, as an engaging look at lock design and how clever mechanisms get bypassed.
Whenever eye contact in video calls comes up, commenters point to this as the cheap homemade teleprompter-style solution.
HN commenters recommend it as the physical-machine take on replicating handwriting, with plenty of explained iteration.
HN points people to it as the original explanation of what Gridfinity is and why it exists, in threads about the project and its catalogs.
It comes up as a great explainer on magnetohydrodynamic drives and pumps in threads about silent submarine propulsion.
HN recommends the series as a fascinating, practical course in precision prototyping, with the flexure episode singled out as especially impressive.
HN people hold it up as a polished solo hardware project and the go-to example of haptic knobs, including in discussions of physical car controls.
Recommended to people who like building things, as part of Hunkin's body of practical engineering explainers.
Recommended in cockatoo threads as a fun and remarkable demonstration of the birds' problem-solving ability.
HN recommends it, and the whole series, for practical mechanical design insight such as how structures achieve stiffness.
HN mentions it as the famous, kid-delighting demo of fluidization, especially in sand battery and industrial process threads.
Cited in CAD threads as a rare plain-spoken comparison of commercial geometry kernels and their limitations.
Commenters point to it whenever 3D-printed metal parts come up, as a clear explanation of why they have poor fatigue life and material defects.
Makers recommend it as a behind-the-scenes look at crunch-time hardware engineering for a big YouTube production.
Linked whenever the Curta or mechanical calculators come up, as a look at a working 3D-printed version.
HN users suggest it to anyone who enjoys extreme high-voltage projects and big capacitor-bank discharges.
Cited as a marvel of absurd precision in home-built machine tools, and a pointer to Gelbart's other videos.
Pointed to by hobbyists interested in building flat-panel DIY speakers from cheap materials.
HN admires the maker's engineering and cites it in accessibility discussions, especially for the limits of sensory resolution versus perception.
HN commenters cite it as an impressive hobbyist project and as an example of open-source engine control enabling freevalve retrofits.
Used as an example of Applied Science pushing the limits of garage engineering, in DIY microscope threads.
HN cites it as the example of Google's open-sourced linear book scanner design when discussing book digitization.
HN cites it as a concrete example of a maker helping save someone's life, and as evidence of Wu's work when she was omitted from press coverage.
HN commenters cite it as an entertaining reality check on home gravity storage, showing the yield is tiny compared to household needs.
HN cites it as an example of computational mechanism design, especially in threads on gears, linkages and animatronics.
HN points to it as an example of advanced DIY hardware, specifically a camera using an affordable Kodak CCD sensor with global shutter.
HN mentions it as a favorite homemade EV pickup, often as an honorable mention in electric truck discussions.
HN cites it as the landmark example of a hobbyist landing a rocket, and recommends the channel for following that progress.
Commenters cite it as a well-made, practical example of USB-C conversion when they discuss hacking USB-C into devices.
Raised in lock-picking threads as a related attempt at an unpickable lock, and for novel anti-picking mechanisms.
HN brings it up as the obligatory link whenever package theft or booby-trapped parcels come up.
Cited as an example of a hobbyist building and flying a real human-carrying electric plane, and as a channel worth following for DIY aircraft builds.
Cited as an approachable hobbyist look at RDEs in threads on detonation-powered rockets.
Cited in porch-pirate threads as the definitive revenge-engineering project, praised for its impressive engineering.
Pointed to as a clear explainer of Relativity Space's fully 3D printed rocket approach when rocket manufacturing or additive manufacturing comes up.
Pointed to as proof that you can weigh micrograms cheaply at home, and as a clear breakdown of how such a scale works.
HN recommends it as a clear explanation of how lifters and ion wind propulsion work, mostly in threads about exotic propulsion and flying saucers.
Brought up whenever wearable cooling or heat extremes come up, as a real worked example of a pumped-coolant cooling suit.
HN mostly cites it as evidence that Hodgins built the glitter bomb Mark Rober presented as his own, and says he deserves credit.
HN mostly mentions it as an example of an extreme maker project, not as a recommendation.
HN uses it as a go-to example of impressive 5-axis machining and CAM-controlled toolpaths.
HN points to it as an example of hobbyist, at-home integrated circuit fabrication.
Cited as 2012 prior art for analog keyboards when newer analog-key products and patents come up.
Commenters link the glitter bomb series whenever package theft comes up.
HN references it as prior art whenever solar sintering, sand printing or sunlight-based manufacturing comes up.
Cited as a concrete example that 3D-printed houses already exist and are cheap.
HN commenters cite it as a fun real-world example of Spot hauling a passenger whenever Boston Dynamics robots come up.
Which of these have you already seen?
Connect YouTube and HackerTube AI hides what you've watched and ranks the rest for you.