freesewing/markdown/org/docs/patterns/jaeger/options/backventlength/uk.md

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title: "Back vent length"
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![Back vent length](backventlength.svg)

Controls the length of the back vent. Lower numbers result in a shorter vent.

## Effect of this option on the pattern

![This image shows the effect of this option by superimposing several variants that have a different value for this option](jaeger_backventlength_sample.svg "Effect of this option on the pattern")