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CAD tip CAD tip # 1412:

Question CAD 
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Q - question

How to find the surfarce area of a sphere, cone or other 3D solid?

A - answer Use the AREA command with the Object option to calculate the area of a solid. Surface area of the selected 3D solid is displayed as "Area".

You have to use a true solid 3D body, not a mesh - e.g. a revolved object has to be a product of the REVOLVE command, not REVSURF.

100% *  CAD 
20.6.2001    13457×  
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See also:
Tip 11654:Select 3D solids by their height, volume, surface (smaller then...)
Tip 11288:Selection cycling is not working in TRIM/EXTEND.
Tip 11037:How to hatch area defined by border points, not geometry?
Tip 11004:AutoCAD forgets window-selected objects when zoomed off screen.
Tip 10926:Self-intersecting polylines and polylines with duplicate vertices.

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