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CAD tip CAD tip # 836:

   
Question CAD 
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Q - question

How to draw a 3D spiral in AutoCAD?

A - answer To draw a spiral curve use the 3DSPIRAL function in the SPIRAL.LSP utility - can be downloaded from Download.

If you need a 3D coil (spring) as a solid body (model), draw a circle (or another profile) and extrude it along the 3D spiral trajectory using the _EXTRUDE command. Or use the SOL_SPRING function in the LSP archive as above (sol_spring.lsp).

You can also use the SPRING utility from Download to model 3D solid springs (helical objects).

Since AutoCAD 2007 you can also use the HELIX command.

ACADACAD2008ACAD2007MDT
100% *  CAD 
2.1.2001    105684×   FAQ  
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applies to: AutoCAD · AutoCAD 2008 · AutoCAD 2007 · MDT ·

See also:
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?
Tip 10231:How to draw spiral in AutoCAD LT?


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