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twistet

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Message 1 of 9
stefan.klingenberger
514 Views, 8 Replies

twistet

stefan.klingenberger
Participant
Participant

hello,

i extrude a circle along curve (the curve is closed). unfortunately  is the start/ end of the extruded object twistet.

how can i rotate or untwistet it, so i looks like closed.
or is it possible to close the extruded object?

thanks for 01.PNG

0 Likes

twistet

hello,

i extrude a circle along curve (the curve is closed). unfortunately  is the start/ end of the extruded object twistet.

how can i rotate or untwistet it, so i looks like closed.
or is it possible to close the extruded object?

thanks for 01.PNG

8 REPLIES 8
Message 2 of 9

mspeer
Consultant
Consultant

Hi!

 

Too much information missing, please upload a scene-file.

Hi!

 

Too much information missing, please upload a scene-file.

Message 3 of 9

t_chanma
Autodesk
Autodesk

I'd recommend extruding along an open curve, with the start object at one end of the curve (also make sure the Taper and Twist settings are both 0).  This will produce a much more predictable result.  Once it's extruded, you can delete the faces on each end and then weld the start and end vertices together.



Matt C

Senior Content Experience Designer

Maya Documentation | Maya Learning Channel |
0 Likes

I'd recommend extruding along an open curve, with the start object at one end of the curve (also make sure the Taper and Twist settings are both 0).  This will produce a much more predictable result.  Once it's extruded, you can delete the faces on each end and then weld the start and end vertices together.



Matt C

Senior Content Experience Designer

Maya Documentation | Maya Learning Channel |
Message 4 of 9

stefan.klingenberger
Participant
Participant

hey,
thanks for your tipps and sorry that i answer so late. i did a lot of test but found no solution. 
i modelled a Möbius Strip with a cube, selected one of the outline Edge (no matter which outline) of the cube and extrude a triangle.
the Problem is the Twist deformer.
after 360° deforming, there is Always a gap.
but you´re Right, it´s possible to weld it but it Looks a Little bit unclean

 

02.PNG

0 Likes

hey,
thanks for your tipps and sorry that i answer so late. i did a lot of test but found no solution. 
i modelled a Möbius Strip with a cube, selected one of the outline Edge (no matter which outline) of the cube and extrude a triangle.
the Problem is the Twist deformer.
after 360° deforming, there is Always a gap.
but you´re Right, it´s possible to weld it but it Looks a Little bit unclean

 

02.PNG

Message 5 of 9

t_chanma
Autodesk
Autodesk

Hmm, given the selection colors is it right to assume there's two objects in there?

 

I was able to achieve this using a Twist deformer + a Bend deformer on top of that.  As long as the twist is a multiple of 180, the edges will line up.  If they're not a multiple of 180, then mathematically they shouldn't line up.

 

mobius.jpg



Matt C

Senior Content Experience Designer

Maya Documentation | Maya Learning Channel |
0 Likes

Hmm, given the selection colors is it right to assume there's two objects in there?

 

I was able to achieve this using a Twist deformer + a Bend deformer on top of that.  As long as the twist is a multiple of 180, the edges will line up.  If they're not a multiple of 180, then mathematically they shouldn't line up.

 

mobius.jpg



Matt C

Senior Content Experience Designer

Maya Documentation | Maya Learning Channel |
Message 6 of 9

stefan.klingenberger
Participant
Participant

 

you are right again. it will perfect work but I used the edges of the white cube because i will animate the möbius strip (rotate the main cube and the extruded objects will follow)

 

the white one is the (möbius) cube. I create a triangle curve object, selected an edge of the möbius cube and extruded it (the green one). i tried to post the scene but it dosen´t work. maybe it´s not zipped?

 

03.PNG

 

0 Likes

 

you are right again. it will perfect work but I used the edges of the white cube because i will animate the möbius strip (rotate the main cube and the extruded objects will follow)

 

the white one is the (möbius) cube. I create a triangle curve object, selected an edge of the möbius cube and extruded it (the green one). i tried to post the scene but it dosen´t work. maybe it´s not zipped?

 

03.PNG

 

Message 7 of 9

t_chanma
Autodesk
Autodesk

Ah I understand now.  Instead of an extruded triangle, I'd suggest you use a cylinder primitive reduced to 3 sides.  The reason you're having a problem is that the extruded geometry gets a little mangled going through a deformer (especially because it has no caps).  Even on a twist alone, you probably noticed the tips of the extruded geometry tilt rather than stay straight.

 

I've attached your same scene file with the fix included.



Matt C

Senior Content Experience Designer

Maya Documentation | Maya Learning Channel |
0 Likes

Ah I understand now.  Instead of an extruded triangle, I'd suggest you use a cylinder primitive reduced to 3 sides.  The reason you're having a problem is that the extruded geometry gets a little mangled going through a deformer (especially because it has no caps).  Even on a twist alone, you probably noticed the tips of the extruded geometry tilt rather than stay straight.

 

I've attached your same scene file with the fix included.



Matt C

Senior Content Experience Designer

Maya Documentation | Maya Learning Channel |
Message 8 of 9

stefan.klingenberger
Participant
Participant

hey Matt,

you did it!!!!
perfect, this is exactly what i want. thank you very much.

 

but last question...how did you deform the new triangle mesh on the curve of the big cube???

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hey Matt,

you did it!!!!
perfect, this is exactly what i want. thank you very much.

 

but last question...how did you deform the new triangle mesh on the curve of the big cube???

Message 9 of 9

t_chanma
Autodesk
Autodesk

I just selected them both when creating each deformer.  That way they're both affected.



Matt C

Senior Content Experience Designer

Maya Documentation | Maya Learning Channel |
0 Likes

I just selected them both when creating each deformer.  That way they're both affected.



Matt C

Senior Content Experience Designer

Maya Documentation | Maya Learning Channel |

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