Living · 6 pages · 12 min
Why a buttonhole is a small engineering problem
A buttonhole is a cut that must not unravel, sized so a button can pass and then stay.
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From the opening
A buttonhole is a small cut in cloth that has to let a button through and then hold it, without the cut growing into a tear. The problem is the reinforcement around the slit, the size relative to the button, and the direction the load will pull. The opening covers stitches lock the cut yarns, length must pass and then hold, and orientation follows the pull.
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Inside
- Stitches lock the cut yarns
- Length must pass and then hold
- Orientation follows the pull
- The button and hole are a pair
- Where the idea stops applying
- A distinction worth keeping
Sources
- Buttonhole stitch as a lock on cut yarns
- Buttonhole direction matched to the load