Extrude Surface With Caps feature in Geometry++
This command allows extruding the sketch or sketch contours to a surface automatically adding the caps at both ends of the extrusion without converting the result to a solid and keeping it as a surface body.
![Extrude surface with caps property manager page](extrude-surface-with-caps-page.png)
Multiple sketches can be selected within single feature.
![Extruded surface with cap feature in the feature manager tree](extrude-surface-cap-feature.png)
Mid plane option allows to extrude the feature in both directions
![Result of mid-plane extrusion](surface-cap-mid-plane.png)