Stringer and Curved Underside of Spiral Stair [SketchUp]

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Stringer and Curved Underside of Spiral Stair [SketchUp]

Postby toddakeson » Tue Aug 27, 2013 5:52 pm

How can I build the stringer and curved underside for the spiral stair. Thanks!
spiral.JPG
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Re: Stringer and Curved Underside of Spiral Stair

Postby Mike Lucey » Tue Aug 27, 2013 9:10 pm

Hi Todd and welcome.

There is a lot around on how to make spiral stairs. You might check out the following links.

SketchUp - Simple Spiral Staircase - 4 mins
http://www.youtube.com/watch?v=trLFOy3Z-CY

Dynamic Spiral Stair Available.
viewtopic.php?f=40&t=14298

[plugin] Stair Maker (UPDATE 24-Sep-2012)
viewtopic.php?f=323&t=39706

Mike
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Re: Stringer and Curved Underside of Spiral Stair [SketchUp]

Postby Krisidious » Tue Aug 27, 2013 9:59 pm

I use CurveShear for my curved staircases...
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Re: Stringer and Curved Underside of Spiral Stair [SketchUp]

Postby takesh h » Tue Aug 27, 2013 11:50 pm

toddakeson,

There are some one-click-solutions like suggested in above posts, but if you want to have more control over design and details, you need to build each elements of the stair separately I'm afraid.
One quick example. See attached skp for details. I named a couple of plugins in [] here but they can be substituted with many other good tools.

spiralstair_process.jpg


1. create steps. [1001tools' "create stair" tool]. Leave handrail diameter "zero" because you only need them for guidelines. I made the inner guideline by creating another stair of smaller diameter. Helix tool can also be used.
2. Weld guidelines (crucial!) [Weld].
3. Created curved underside from two guidelines and a straight curve (weld two edges). [TIG's extrude edges by Rails]
3. Created handrails of a fancy profile. [1001tools: Extrude selected profile along selected path]
4. Intersected a cylinder with steps and created an inner wall.
5. Intersect cylinders with guidelines and steps; created stringers.
6. Put them altogether and clean up.

spiralstair_process2.jpg


Cheers.
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Re: Stringer and Curved Underside of Spiral Stair [SketchUp]

Postby Rich O Brien » Tue Aug 27, 2013 11:51 pm

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