## Shells class

The shells.
Describes the shells of a B-rep structure.
A shell is the union of one or more faces.
A closed shell can limit a solid.



**Inheritance:** [`Shells`](/cad/python-net/aspose.cad.fileformats.collada.fileparser.elements/shells) → 
[`ColladaElement`](/cad/python-net/aspose.cad.fileformats.collada.fileparser.elements/colladaelement)



The Shells type exposes the following members:

### Constructors
| Constructor | Description |
| :- | :- |
| [__init__](/cad/python-net/aspose.cad.fileformats.collada.fileparser.elements/shells/__init__/#) | Constructs a new instance of Shells |


### Properties
| Property | Description |
| :- | :- |
| [input](/cad/python-net/aspose.cad.fileformats.collada.fileparser.elements/shells/input) | Gets or sets the input. |
| [faces_count](/cad/python-net/aspose.cad.fileformats.collada.fileparser.elements/shells/faces_count) | Gets or sets the faces count.
<br/>Contains a list of integers describing the number of faces for each shell. |
| [primitives](/cad/python-net/aspose.cad.fileformats.collada.fileparser.elements/shells/primitives) | Gets or sets the primitives. |
| [extra](/cad/python-net/aspose.cad.fileformats.collada.fileparser.elements/shells/extra) | Gets or sets the extra. |
| [id](/cad/python-net/aspose.cad.fileformats.collada.fileparser.elements/shells/id) | Gets or sets the id.
<br/>A text string containing the unique identifier of this element.
<br/>This value must be unique within the instance document.
<br/>Required. |
| [name](/cad/python-net/aspose.cad.fileformats.collada.fileparser.elements/shells/name) | Gets or sets the name.
<br/>The text string name of the element.
<br/>Optional. |
| [count](/cad/python-net/aspose.cad.fileformats.collada.fileparser.elements/shells/count) | Gets or sets the count.
<br/>The number of shells.
<br/>Required. |



### See Also
* module [`aspose.cad.fileformats.collada.fileparser.elements`](..)
* class [`ColladaElement`](/cad/python-net/aspose.cad.fileformats.collada.fileparser.elements/colladaelement)
* class [`Shells`](/cad/python-net/aspose.cad.fileformats.collada.fileparser.elements/shells)