The stack with the Hair&Fur modifier is not collapsed.

For correct rendering of fur, mr prim must be enabled in the Effects section.

! Please note that the stability of the render depends on the amount of RAM in your computer. Always save the scene before rendering the fur.

For close angles, you can increase the density of the hair (Hair Count) and hair Segments in the General Parameters tab. Currently, these parameters are at a minimum.

The obj file contains a model without fur. For missing elements, there is a screenshot of the Hair&Fur settings. You need to add the hair material and guide splines for each part to the corresponding slots. The parameters in the green frames need to be repeated, and in the red frame you can vary them to suit your needs.

For Corona render, it is recommended to install version no lower than 1.5, since the glossiness of materials is configured taking into account PBR