Insert
SolidFilletFace
The Face Fillet command enables you to fillet all the edges of the selected face of a solid. A single, constant fillet radius is applied to all the edges of the selected face. Start the Face Fillet command and select the face of the solid from the Graphics Area. The selection list is displayed. Enter radius in the Radius mini-dialog box to create the fillet. The other options in the selection list are discussed in the Edge Fillet document.