Heres something fun that I made a while back that uses the clipping... Use this for a terrain (512x512). Rotate it on Z-axis 90, then on Y-axis 180. Now add a torus. Color accordingly. Then select the torus and anchor center this terrain to it. Adjust scaling, and you have a nifty wheel.

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Barbequed Pixels?

Your friendly neighborhood Wings3D nut.
Also feel free to browse my freebies at ShareCG.
There might be something worth downloading.