Consumer-grade 3D printers are useful for lots of things, but they kind of fall down when it comes to making stuff that survives high temperatures. [Mr. More Gooder] wasn’t deterred …read more (https://hackaday.com/2026/05/23/water-cooling-a-3d-printed-rocket-isnt-quite-practical/)

Amazing Stories
https://hackaday.com/2026/05/23/amazing-stories/

The 2026 installment of Hackaday Europe was last weekend, and I’m still basking in the warm glow of hanging out with such an inspiring group of hackers. It’s hard to …read more (https://hackaday.com/2026/05/23/amazing-stories/)

Building an Analog Meter Watch
https://hackaday.com/2026/05/23/building-an-analog-meter-watch/

Most conventional analog watches have two or three hands, covering hours, minutes, and seconds (where present). [Sahko] has built a different kind of analog watch that creatively displays the time …read more (https://hackaday.com/2026/05/23/building-an-analog-meter-watch/)

Passive Bug Zapper Tracks Its Kill Count
https://hackaday.com/2026/05/23/passive-bug-zapper-tracks-its-kill-count/

If it’s summer in a warm, humid climate, bugs can be the bane of your existence. A natural solution is to place a passive bug zapper to catch bugs at …read more (https://hackaday.com/2026/05/23/passive-bug-zapper-tracks-its-kill-count/)

Touchable POV Display Blooms In Mid Air
https://hackaday.com/2026/05/23/touchable-pov-display-blooms-in-mid-air/

Typically, when we think of touch screens, we think of LCDs or OLEDs with a resistive or capacitive sensing layer laid over the top. However, a team from the University …read more (https://hackaday.com/2026/05/23/touchable-pov-display-blooms-in-mid-air/)

PCB Map Display Keeps An Eye On Family
https://hackaday.com/2026/05/23/pcb-map-display-keeps-an-eye-on-family/

PCBs are traditionally designed with traces laid out to support a circuit full of electronic components. However, they’ve become increasingly popular as a way to produce functional visual artworks. This …read more (https://hackaday.com/2026/05/23/pcb-map-display-keeps-an-eye-on-family/)

Putting Version 7.1 of the Direct Granules FDM Extruder Through Its Paces
https://hackaday.com/2026/05/23/putting-version-7-1-of-the-direct-granules-fdm-extruder-through-its-paces/

Whether you’re using granules or filament, FDM printing relies heavily on a consistent flowrate of the extruder. This is also the challenge with [HomoFaciens]’s direct granule extruder. Version 7.1 here …read more (https://hackaday.com/2026/05/23/putting-version-7-1-of-the-direct-granules-fdm-extruder-through-its-paces/)

Designing a Printable Cyclone Dust Separator for 99.95% Efficiency
https://hackaday.com/2026/05/24/designing-a-printable-cyclone-dust-separator-for-99-95-efficiency/