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CAD tip CAD tip # 1183:

   
Question CAD 
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Q - question

How to get the center gravity of an area?

A - answer Convert your area (e.g. an irregular shape or a polygon) to a region (with the REGION command) and then use the MASSPROP command on that region. You will find the center of gravity and moment of inertia of this zero-thickness body. Before MASSPROP you may need to switch the UCS to that object (UCS New Object).

You can use the geometric calculator - enter the POINT command and on the coordinates prompt ender 'CAL. As an expression, enter (end+end+end)/3 (for triangle) or e.g. (end+end+end+end+end)/5 (pentagon) and click the individual vertices.

Alternatively, Autodesk Map 3D offers direct centroid-related functions.

See also the osnap mode "geometric center".

ACADLTMap
100% *  CAD 
28.3.2001    85702×  
Prices - CAD eShop:
applies to: AutoCAD · AutoCAD LT · AutoCAD Map 3D ·

See also:
Tip 14027:3D heart from the heart.
Tip 13997:4 methods of 3D orbit in Inventor, with specified pivot.
Tip 13960:Fermat's spiral in AutoCAD.
Tip 13791:Part number from the Frame Generator is not transferred to the Part Number iProperty.
Tip 13668:How to create a sphere from 4 points in AutoCAD?


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