To Create a Trimmed Rectangle Surface
1. Click > . The Surface tab opens.
2. Select three or more chains that intersect to form a contiguous boundary. A preview surface is displayed.
3. To modify a boundary chain, trim or extend it.
4. To add internal curves, click the
![](../../surfacing/style/images/ff_collector_surface_secondary.png)
collector, or click
References and click the
Internal collector, and select curves.
5. Click Options.
6. To create a 3-sided or a 4-sided trimmed rectangle surface, under Trimmed Rectangle, select the Use for 3 and 4 boundaries check box.
| When you select two, or more than four, boundary chains, a Trimmed Rectangle surface is created automatically. |
7. To create surface connections, right-click the connection icons and choose a connection type from the shortcut menu.
| Reparameterization curves are not supported for trimmed rectangles. |
8. Click
![](../../surfacing/style/images/cl_ok.png)
.