# Composition Manager
The Compositions Manager allows you to manage the compositions in the current model, both [Render Only](/manual/generating.md#render-only-generation) and [In Model](/manual/generating.md#in-model-generation).
### Visibility
You can toggle the visibility of existing compositions by clicking on the 
(Render Only) or 
(In Model) icons.
The visibility can also be controlled by [SketchUp Tags](https://help.sketchup.com/en/sketchup/controlling-visibility-tags) (formerly known as *Layers*). After assigning a composition to a tag using the drop-down menu, toggling the tag will also toggle the composition visibility.
### Re-generate
You can re-generate a composition at any time using the 
icon, without opening the Composition Editor. This can be useful when changing the geometry of a host or a mask.
## Exporting compositions
Click on the 
icon to export a composition. It will create a *.skatter* file that you can then import into another project using the Compositions Manager or [3D Bazaar](/manual/3d-bazaar.md).
The *Export Scattered Objects* and *Export Materials* options let you embed the *Scattered Objects* (as *.skp* files) and *Materials* (as *.skm* files) in the .skatter file. In this way, these entities will also be imported when you import the compositions in another model.
{% hint style="info" %}
*Export Scattered Objects* also exports rendering dependencies like proxies and maps
{% endhint %}
You can optionally select a cover image that will be used as a thumbnail in 3D Bazaar.
## Importing compositions
Click on the 
icon to import a composition that has been previously exported as a .skatter file.
{% hint style="info" %}
The Composition Manager is also capable of importing compositions from Skatter 1 stored as .sklib files.
{% endhint %}
You can also browse and import compositions from [3D Bazaar](/manual/3d-bazaar.md).
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