Hello Brad,
Unfortunately scenarios where the cube is stretched like in your case to a cuboid parallelepiped, aren't supported by the RadCube. As long as the Cube is stretched its content will get stretched as well.
However, there is a feature request that you can vote for in our
PITS thus increasing the priority of the issue.
Please accept our apology for the caused inconvenience.
Regards,
Tina Stancheva
the Telerik team
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