PolyDesign3D has revealed PolySnow which is a new particle-based tool for adding and meshing snow to objects inside 3DS Max. 

PolyDesign3D has revealed PolySnow which is a new particle-based tool for adding and meshing snow to objects inside 3DS Max.

Features:

• User-friendly user interface with some explanation tooltips on buttons.
• Live parameters let you adjust the snow at anytime you want. Non-destructive workflow.
• SnowMerge is a powerful tool lets you connect snow meshes seamlessly.
• Full control over the calculated mesh. You can change the settings and get a large number of variations.
• Very fast particle calculation with a different resolutions option.
• Add or remove snow from the areas you want by using edit particles tool.
• Multiple layers of snow can be created and combined seamlessly.
• There is also mesh resolution settings so you can create a low poly or highly complex snow objects.
• Can be used for multiple objects at the same time.
• Snow mesh is separated from object.
• Polycount of the original object doesn’t matter for snow quality (unlike extrusion methods)
• You can sculpt the snow for more detail with an edit poly modifier.

You can learn more and get the tool here.