Rectangular Roof

There are 3 parameters used to define a rectangular roof:
Parameter # | Description | Face Name | Face # |
1 | The X half width. | All Faces | 0 |
2 | The Y half width. | All Faces | 0 |
3 | The angle between the two rectangles. | All Faces | 0 |
A rectangular roof is composed of two rectangles which meet at an angle.
The reference point is the midpoint of the line joining the two rectangles. Face Numbers: All faces Face 0.
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