How do I delete a metal type?

 Geometry Elements- Metal Types

To delete a metal type, do the following:

1.   Select Circuit => Metal Types from the project editor main menu.

2.   In the Metal Types dialog box which appears, click on the Metal Type you wish to delete to select it.

3.   Click on the Remove button to the right of the dialog box. This deletes the metal type. Any polygons that used this metal type are converted to the default Lossless metal type. You are issued a warning before this replacement happens.

4.   Click on the OK button to close the dialog box.