Easy Spirula Shell Form

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Easy Spirula Shell Form

Postby BallBearing » Mon Jan 15, 2018 12:21 pm

Or almost. Perhaps there is faster ways. This has closed manifold & thickness.

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Re: Easy Spirula Shell Form

Postby pilou » Mon Jan 15, 2018 12:33 pm

Maybe this ?

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Re: Easy Spirula Shell Form

Postby BallBearing » Mon Jan 15, 2018 12:52 pm

It's a nice tool. I have used it, but not enough.
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Re: Easy Spirula Shell Form

Postby TBoy » Mon Jan 15, 2018 11:56 pm

Here is the best analogue I was able to make.

1.jpg


Use these steps:
1. Use "spherical helix (loxodrome)" plugin to make helix.
2. Take upper part of the helix and flatten vertices to zero with "Flatten vertices" plugin. (Flatten only if you want to keep horizontal symmetry)
3. Use "Tapper maker" with round section to extrude along curve - play with start/end radius to obtain touching turns.
Not fast but looks close to needed shape.

2.jpg
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Re: Easy Spirula Shell Form

Postby BallBearing » Sun Jan 21, 2018 11:35 am

I tried, but I feel this tapering more difficult for 3D printing (to have thickness & solid). Nice looking as a sketch anyway. And these tools are good. Or perhaps I did not find right procedure yet?
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SketchUp, 3D printing stuff and more:
http://www.youtube.com/user/CinemaTablet

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