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CAD tip CAD tip # 3977:

Question CAD 
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Q - question

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    37581×  
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applies to: AutoCAD ·

See also:
Tip 12526:BufZone - buffer zones and wipeouts around AutoCAD line objects.
Tip 12479:PkLength - export line lenghts to Excel.
Tip 12237:UnfoldRS - unfold 3D surfaces to 2D in AutoCAD.
Tip 12091:Equidistant ellipse - how to make an ellipse offset?
Tip 12059:Setting the G0, G1, G2 continuity of lofting.

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Simply link AutoCAD LT blocks to Excel table data.
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