The solid plastic layers below fiber count is the number of macrolayers in which solid infill will be generated. It needs to prevent fiber fall through cellular infill.
![](https://support.anisoprint.com/wp-content/uploads/2018/12/ImgProfileInsetXFSolidPlasticLayersBelowFiber.jpg)
The solid plastic layers below fiber count is the number of macrolayers in which solid infill will be generated. It needs to prevent fiber fall through cellular infill.