To Place a B-spline Surface by Three Points
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Select the Planar Surface by Points tool (
).
![](GUID-8766F868-AFF8-3042-4667-1C43E4B3599A-low.png)
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Click the Planar Surface by 3 Points icon.
![](GUID-E4BCAD12-F601-667B-2DA1-A0B0F2A993CD-low.jpg)
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Enter a data point to define the first corner.
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Enter a data point to define the length and direction of a side of the surface.
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Enter a data point to define the width and direction of the surface.