Create a Finial with Extrusions.

If you need to create a finial for  a roof you may use Extrusions:

1. Save the finial half cut drawing as a preset. Here is a link to another quick tip about Custom Profiles:

http://wp.me/p2VWtV-2K0

2. Create a small circle with the Polyline tool.

3. Select the circle and go to Cadimage> Extrusions> Extrude along selected element.

4. Search the saved preset profile. Settings> Shape> Profile> Custom> Select the profile and click OK.

5. The resulting object will be a finial profile extruded along a small circle.