Use the Erase And Fill command to fill holes and repair regions on a mesh body in Fusion. You must be in Direct Modeling mode to use Erase And Fill.
In the Design workspace, on the Mesh tab, select Modify > Direct Edit .
In the canvas, select a mesh body.
In the dialog, click OK to enter the Direct Mesh Editing contextual environment.
On the Direct Mesh Editing tab, select Modify > Erase And Fill .
The Erase And Fill dialog displays.
In the Mesh Selection Palette dialog, adjust the selection settings.
In the canvas, select the faces to erase and fill.
In the dialog, select a Type:
Click OK.
The modified mesh body displays in the canvas.