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CAD tip CAD tip # 3977:

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How to construct a 3D ellipsoid?

A - answer A 3D solid of "elliptic sphere" can be made in AutoCAD e.g. with the Revolve command.

First draw a half of the contour ellipse (_ARC, or _ELLIPSE and _TRIM), connect its endpoints (future axis) and join it in one polyline. Now rotate this profile around the axis using the REVOLVE command.

You can also use a 3D sphere, make a block from it and then insert this block with uneven scale (X-Y-Z).

100% *  CAD 
12.8.2004    32100x  
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applies to: AutoCAD ·

See also:
Tip 11053:Can I use the default parameter URL to reference a relative link?
Tip 10138:Dimensioning a curve length or distance between two points on a curve.
Tip 10039:Two types of equidistants (offsets) to an ellipse.
Tip 7800:How to model a 3D hyperboloid?
Tip 7003:Modified drawing name as an automatic field.

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