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How do I fill the space in between tapered spiral sweep?

20077C2PJR
Community Visitor

How do I fill the space in between tapered spiral sweep?

20077C2PJR
Community Visitor
Community Visitor

I need a a new body in between these two faces. How can I do this? I've tried to make a sketch in between them and sweep it following the edges of one of the faces but he sweeps remained a constant width which doesn't work. Any help would be greatly appreciated, thanks.

 

20077C2PJR_0-1684800034169.png20077C2PJR_1-1684800047557.png

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pcrawley
Advisor
Advisor

I had a very quick look, and the input geometry creates a very odd shape (see the bottom of the spiral).  Is this what you intended, or is it supposed to have nicely tapered sides?  Tangency with the outside faces of your existing geometry may be a challenge.

1.jpg

My initial thought was "why not sweep the full shape down the same path" - but it would need to scale nonuniformly as it went down, which isn't an option for the Sweep feature.  Do you have a sketch/picture of the required finished shape as I'm struggling to see what it should look like.

Peter
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johnsonshiue
Community Manager
Community Manager

Hi! This is an interesting challenge. Instead of using Sweep, I use Surface Modeling technique (Ruled Surface, Loft, and Offset) to create the shape. It may not capture 100% of your intent but the same modeling approach could be used to obtain the desirable shape. Please take a look.

 

RuledSurface.png

Many thanks!

 



Johnson Shiue (johnson.shiue@autodesk.com)
Software Test Engineer

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