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title: "3ds Max Hair and Fur Modifier"
canonical: "https://documentation.chaos.com/space/VMAX/113575473/3ds%20Max%20Hair%20and%20Fur%20Modifier"
format: markdown
---
This page gives information on using the Max Hair and Fur Modifier and rendering the results within V-Ray. Overview V-Ray supports native rendering of the 3ds Max  Hair and Fur  world-space modifier. If you use 3ds Max Design, the program might terminate unexpectedly when attempting to render the results of the  Hair and Fur  modifier with V-Ray. To resolve the issue, go to the  Customize  menu >  Custom Defaults Switcher  and select a non-DesignVIZ preset (such as  MAX.vray ). Restart 3ds Max for the new settings to take effect. After restarting 3ds Max, you should be able to render the Hair and Fur modifier with V-Ray. It is strongly recommended to use hair materials for hair-based objects used for simulating hairs. Tips and Tricks  Here are some suggestions on how to make the implementation work best.  To enable native rendering of the Hair and Fur modifier, in the  Environment and Effects  dialog under the  Effects tab , select the  mr prim  option for the  Hairs  parameter in the  Hair and Fur  rollout: Note:  In  order to have the correct mapping of bitmaps used for shading hair and fur, the Hairs mode in the Effects panel should be set to geometry instead of mr prim. In this case, the shading material must also be applied to the base geometry. This allows the hair material to properly receive the mapping.  In order to render the hair geometry with three-dimensional motion blur, set the motion blur mode for the hair source to  Object  in the  Object Properties  window:    Note : The duration and position of the motion blur interval for the Hair and Fur effect are controlled from the Hair and Fur render effect, rather than from the respective V-Ray settings.   To speed up the rendering of the hair, you can turn off the  Tip Fade  parameter in the  Material Parameters  rollout of the Hair and Fur modifier. V-Ray works fine with this option on, but render times might be increased substantially because of the semi-transparent tips of the hairs: To apply a custom V-Ray material to the hair, enable the  Apply mr Shader  option in the  mr Parameters  rollout and choose the material: