There are several ways to edit a model.

On the right side of the HiddenLevers Dashboard, click "Show All Models" under Models / Portfolio. Then click the name model you want to edit.

 

From here you'll see a dropdown menu; select "Edit." The edit portfolio window will appear in which you can edit your model.

 

Another way you can edit your model is from the Risk Profile page. 

Navigate to the left sidebar and click the blue "Edit Portfolio" button.  The edit portfolio frame will appear in which you can edit your model. 

If you would like to use your model as a starting point for creating others, you can follow these same steps, make necessary changes to the title and holdings, then use the "Save As" button to save the changes you made.