Add content to the Design Library.
To add to the library:
Open the Add to Library PropertyManager:
Click Add
to Library 
on the Task Pane Design
Library tab.
Right-click an item in the FeatureManager design tree and select Add to Library.
Drag an item from the FeatureManager design tree into the lower pane of the Design Library.
Drag an item from the graphics area into the lower pane of the Design Library.
Select the options as described below, then click
.
Select items (features, sketches, blocks, parts, assemblies) in the flyout FeatureManager design tree or graphics area. You can select multiple features and sketches, but only one item at a time for other categories.
The item is saved in the selected Design Library folder and displayed on the Design Library tab.
File name. Type a name (the default is document name). The file type and extension are shown under Options.
Design Library folder. Select
a folder. To add a new folder, go to the Task Pane Design
Library tab and click Create New
Folder 
.
File type. Select a file type corresponding to the type of item selected.
Description. Type a description to be displayed in the item's tooltip.
References (assemblies only). Click to open Edit Referenced File Locations dialog box. Select or clear referenced files and specify the locations in which to save them.