### Define Geometry Parameters

Once you have created a new file or opened an existing file, you can modify the Geometry Parameters for your Bevel Gear file.

To Define Geometry Parameters:

1. Select the Measure | Modify Geometric Parameters menu option...

... or the Modify Parameters toolbar icon...

... to open the Geometry Parameters dialog box.

2. Make the needed changes to the values in the dialog box. See the "Editing Geometry Parameters" topic for more information on the available options.

3. Click Modify to update the changes that have been made or Close to cancel any changes.