Sweep tool problem

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 From:  Johny
1389.1 
Sweeped a triangle profile on helix rail give odd result as shown on bellow image.

Can anyone help me with this problem? Or maybe explain why this happened?

I also attached 3dm file for test.

Thanks
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 From:  Tim (BLADEST)
1389.2 In reply to 1389.1 
You have done a freeform twist not a flat twist, look under sweep options , there is a choice,
Tim.
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 From:  Johny
1389.3 In reply to 1389.2 
Thanks for the answer Tim :)
But Flat option also give odd result as below image ???
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 From:  Frenchy Pilou (PILOU)
1389.4 In reply to 1389.3 
Curious that works fine at home ?
Put the triangle perpendicular and out of a "bounding box" of the helix and make the sweep

EDITED: 16 Feb 2008 by PILOU

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 From:  Michael Gibson
1389.5 In reply to 1389.3 
Hi Johny - for the flat option your helix should be oriented along the world Z axis.

So if you go the the right-side view and rotate it 90 degrees, and then repeat it with the flat option it should work how you want.

- Michael
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 From:  Johny
1389.6 In reply to 1389.5 
Thanks Michael, its works well on z axis :)

PS: Wish on v2, its works well on any direction ;)
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 From:  Frenchy Pilou (PILOU)
1389.7 In reply to 1389.6 
added to the whish list :)
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Pilou
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 From:  Johny
1389.8 In reply to 1389.7 
Thanks PILOU! :)
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 From:  WillBellJr
1389.9 
Agreed, having a dependencies on positioning kills a creative session - especially when you don't know (or forget) that a tool has a dependency for this or that...

-Will
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 From:  Michael Gibson
1389.10 In reply to 1389.9 
Maybe when you choose "flat", I can default to the world z axis direction, but show a button underneath it that says "Set flat dir", and if you push it let you pick 2 points to define the direction.

- Michael
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 From:  Johny
1389.11 In reply to 1389.10 
Why not automatic get helix both end points?
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 From:  Michael Gibson
1389.12 In reply to 1389.11 
Hi Johny - that would be difficult because the default isn't "flat" mode, it is the freeform twist mode which does not need any direction information.

So that would feel a little odd if I forced you to pick 2 points every time you did sweep, but then did not use that information by default.

- Michael
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 From:  Johny
1389.13 In reply to 1389.12 
Ah, I think you're right Michael ;)
Sorry, I forgot that 3dm file format not save start and end point of created helix information.

And I agree with a button option for select start and end point of direction if we select Flat mode.
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