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CAD tip CAD tip # 13788:

   
Question CAD 
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Q - question

Green square - mathematical charade and parametric constraints in AutoCAD.

A - answer Inspired by a guess on Twitter:

The task - to find the area of the green square - seems to be insufficiently constrained - so the square area is not definable - see the AutoCAD simulation using parametric geometry with many constraints (equal lengths, perpendicularity, point to curve constraint...), associative hatches, a text field/label with the object property (area) and a LISP reactor to automatically update that field after grip editing :

You can download the DWG drawing with constraint definitions from the CAD Block Library - GreenSquare.dwg .

ACADACLT
100% *  CAD 
15.7.2023    31917×  
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applies to: AutoCAD · AutoCAD LT ·

See also:
Tip 14098:How to use arc length parameter in Inventor sketch?
Tip 14088:3 methods of creating true rectangles in AutoCAD.
Tip 13185:Constraining object movement to a specified curve (rail) in AutoCAD.
Tip 12755:How to create a polyline with multi-colored segments?
Tip 12046:Random shape and appearance of an Inventor part or assembly.


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