How a Zipper Works
How a Zipper Works · Engineering
Drag a cutaway zipper slider to see its Y-shaped channel guide two rows of teeth together and separate them again.
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Spring Prompt / Ellis CrosbyAuthor
2026-10-15Last updated
EngineeringCategory
Where to start observing
- How does the channel change the positions of the two tooth rows?
- Why is pressing the rows together different from pulling the slider?
Understanding the model’s limits
The work shows one metal zipper mechanism. Plastic teeth, coils and other designs differ, and the fixture and scale support the explanation.
Key features
- Slider cutawayinspect the Y-shaped channel and two tooth rows.
- Travel in both directionscompare engagement and separation.
Requirements
- CreatorSpring Prompt / Ellis Crosby
- Creator-reported modelClaude Opus 5.5
- Author publication2026-10-12