
Click
Open Library
on the library pane.
Click the New Library to create your own library, and edit it.
Notes
Click Library Window on View menu, if the library pane is not opened.
You can use Load Library command to open your own library. Read also Load library.
Use Drawing tools to draw the shape you want or edit the shape from library.
Right click the shape and click Save Element File.
The *.ede file and the miniature of the shape will be created.
Add the shape to the library you want.
Read also Add a new shape to library.
Open the your own library you want.
Edit the library and the shapes as you want.
Please read Editing libraries.