freesewing/sites/orgdocs/docs/designs/bibi/options/sleevecapbackfactorx

---
title: 'Sleevecap back X'
---

![The horizontal location of the back inflection point](./sleevecapbackfactorx.svg)

This option controls the horizontal placement of the sleevecap inflection point at the back of the sleeve.

:::tip

See [understanding the sleevecap](/docs/designs/brian/options#understanding-the-sleevecap) for an in-depth
look into how the sleevecap is constructed and the influence of the different options on its shape.

:::