You can use the Preset Manager to save a scene as a preset for later retrieval via Preset Flow in Particle View.
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Select a Particle Flow source icon. >
Modify panel > Setup rollout > Click Particle View (or press
6). > Tools menu > Choose Preset Manager. > Particle Flow Preset Manager dialog
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Create panel > 
(Geometry) > Particle Systems > Object Type rollout > Click PF Source. > Setup rollout > Click Particle View (or press
6). > Tools menu > Choose Preset Manager. > Particle Flow Preset Manager dialog
Keep in mind that all objects in the scene are saved as a part of the preset, regardless of whether they are part of the Particle Flow. This ensures that any Particle Flow reference objects are included in the preset.
To save a new preset, enter a Preset Name and Preset Description, and then click Save Scene As Preset Flow.
Note: Only user-defined presets are listed in this dialog. System default pre-sets are no longer listed here, but are still available from the
Select Preset Flow
dialog.
- Preset Name
- Enter an identifying name for the new preset.
- Preset Description
- Enter a description for the new preset.
- Presets
- A list of the current presets in the system. Click a preset to see its description.
- Save Scene as Preset Flow
- Saves the current scene as a preset. The preset is saved as a pair of files: preset_name.txt with the description of the preset; and preset_name.max file with the scene itself. Both files are saved in the user settings directory, typically C:\Users\<username>\Autodesk\3ds Max <release>\User Settings\Particle Flow. Since presets are saved as files, it is possible to exchange or modify the presets by manipulating the files.