freesewing/markdown/org/docs/patterns/simon/options/roundback/es.md

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Controls how round the back yoke seam is by adding length to the center back at the yoke that tapers of towards the sides.

- Increase this option to round the back yoke seam
- Decrease this option to straighten the back yoke seam

## Efecto de esta opción en el patrón

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