You can set the ellipse path for the carousel using the Visual Studio designer.
Drag the RadCarousel control in your form.
In Properties, set CarouselPath to newCarouselEllipsePath
Drag the two control points (U and V) and the center point to set the ellipse as desired:
Note : You can arrange the points only in 2D. The Z coordinate (if needed) should be set programmatically.
You can revert the rotating direction (when AutoLoop is set to true) by swapping the V and U points positions. The rotation is always from V to U point.
You can drag the ellipse points over the whole designer area, i.e. you are not limited to the form only.