CAD tip # 6455:

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How to construct a triangle in AutoCAD?

Is there a missing TRIANGLE command in AutoCAD? No, to draw a equilateral triangle, use the POLYGON command and enter the number of sides: 3.

Scalene (irregular) or right-angled (rectangled) triangles can be drawn using a triangular-shaped polyline (pline) with a help of osnaps. To construct a triangle defined by the given lenghts of its 3 sides or by the length and included angles, use the LISP add-on utility CADstudio TRIANGLE (the TRIANGLE command, see Download). The Triangle utility also offers an option to automatically label the triangle vertices and sides.

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22.12.2008 51076× FAQ

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applies to: AutoCAD ·

See also:
Tip 13038:	How to explode 3D faces (3DFACE) into outline polyline?
Tip 11998:	Double object snap (osnap) - how to align a line between two lines? (geom.constraints)
Tip 11387:	How to edit large STL files in Fusion 360?
Tip 11068:	Unknown icon in an AutoCAD Civil 3D project.
Tip 11054:	Difference volume (3D solid) between two TIN surfaces (sets of coordinates)

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