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CAD tip CAD tip # 13906:

Question CAD 
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Q - question

How to construct a 2D spiral shape in Inventor?

A - answer You can either use the Spiral function directly, which is hidden in the 3D sketch - 3D Sketch > Drawing > Helix Curve > Spiral (a 2D sketch shape is created).

Or you can use the Equation Curve. From the mathematical definition of a spiral you can get an expression for the function 3D Sketch > Drawing > Equation Curve - e.g. for 2 turns, in the Cartesian system:

t min: 0   t max: 720

An even simpler and more logical expression (equation) would be in Cylindrical space:

t min: 0ul   t max: 720ul

100% *  CAD 
1.11.2023    1382×  
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applies to: Inventor ·

See also:
Tip 13653:FPoly - draw fixed-length polylines in AutoCAD.
Tip 13163:Blended transitional solid between irregular regions, circle-rectangle transition (3D in AutoCAD)
Tip 10708:Modeling compression injection screw for molding machine.
Tip 10459:How to change the number of parallel treads on spiral stair?
Tip 10432:How to open files in A360 Drive from Inventor or any other application?

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