# Sheet metal parameter description

The bending radius, Bending parameters, Release slot parameters of the base flange are the default parameters of the sheet metal body. These parameters are used by default for features such as edge flanges on the sheet metal body.

Modify the parameters of the base flange after the sheet metal is created, and update the characteristic parameters of the sheet metal that are not customized in the current sheet metal entity.
If the sheet metal entity exists in the file, run the base flange command to create another sheet metal entity. The default value of the base metal flange is the parameter of the first sheet metal matrix. You can select Overwrite default parameters to customize the parameter.