Pen Cartridge Selection and Type: Properties Tab

Use the Cartridge Selection and Type sections to select the desired Cartridge and Type for the Pen.

Selecting a Non-Blade Cartridge will change the Pen to that Cartridge type; i.e., changing it from a Pen to a Deboss will make it a Deboss opening.  

Click on the Cartridge Icon. 

Select the desired Cartridge for the current Layer.

When applicable, select the desired Cartridge Type from the Type dropdown control.