The first layer extrusion width coefficient is the extrusion width multiplication factor. It has affect on extrusion width for all entities on first layer and consequently on plastic amount.
![](https://support.anisoprint.com/wp-content/uploads/2018/12/ImgProfileFLCoeffToNormals.jpg)
The first layer extrusion width coefficient is the extrusion width multiplication factor. It has affect on extrusion width for all entities on first layer and consequently on plastic amount.