Do you know, that… ?

designing furniture, tanks or other items inside the hollow, you can use instead of the shell with the option to draw End Cap.

In the case of solids, during draw a thin-walled, Selecting the option to close both ends of the, regardless of the choice of the draw.

Means, that by choosing only the direction 1 and so both sides will be closed, as in the case of extrusion or bidirectional symmetric.

In case of surface It is a bit different. the end cap You can be turned on individually for each one an indication of direction or at the choice of extrusion symmetric plane. If you check both direction 1 and direction 2, options close the end We turn on individually as shown below.

Means, pulling the distance in only one direction, You can close only one end.