8legs: Hackaday

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#1 out of 20.00%

Hackaday reports a two-part 3D-printed zipper slider that installs without unsewing the zipper ends.
The files are provided in STEP format for easy collaboration in CAD programs.
The design supports multiple sizes and both standard and reverse zipper configurations.
The article notes that metal sliders are more durable, but 3D-printed parts offer handy replacements.
The piece mentions a zipper box replacement as an additional printable option.
Durability of prints depends on filament choice, with several materials tested.
Readers weighing repair options are advised to consider traditional repair kits for longevity.
The article emphasizes accessibility improvements through the printable design.
The zipper repair concept allows assembly without disassembly of the entire zipper strand.
STEP-format files enable broader use across CAD platforms for hobbyists.

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#2 out of 2

Open-source thermoacoustic Stirling engine plans are now public, enabling community collaboration.
The engine converts heat into high-amplitude sound waves with few moving parts.
Plans include 3D models and drawings shared through Google Drive for builders.
My Engines team suggests steel wool demos for approachable thermoacoustic experiments.
The project invites ongoing video content and additional resources from the creator.
Community channels, including Discord, are available for discussions about the project.
The article notes the project aims at home makers, not just professionals.
Early guidance points to a broader interest in acoustics and thermodynamics resources.
The article mentions potential motivational demonstrations using everyday materials.

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