Inventor General Discussion

Inventor General Discussion

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Member
nick.jeuris.hotmail
Posts: 5
Registered: ‎08-27-2012
Message 1 of 6 (444 Views)
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Loft with multiple openings

444 Views, 5 Replies
01-24-2013 12:47 AM

Hi

 

I was wondering if it is possible to make a surface loft go from 1 square section to 2 round sections.

So 1 ingoing section en 2 outgoing sections.

I've attached a simple drawing.

 

Many thanks in advance!

 

Nick

Distinguished Contributor
waynehelley
Posts: 134
Registered: ‎09-10-2012
Message 2 of 6 (425 Views)

Re: Loft with multiple openings

01-24-2013 02:10 AM in reply to: nick.jeuris.hotmail

I think it may be possible to do two seperate lofts as surfaces, then once these surfaces exist, do a sculpt to create a solid.

 

Let me know if you need me to explain in more detail.

 

Edit: I have had a bit of an experiment with it but so far I can't seem to be able to get the sculpt to compute.  I think the surfaces need to be merged together somehow first. I have tried using 'stich' but this didn't seem to solve the problem.

Wayne Helley
Inventor 2013 Certified Professional

Autodesk Inventor Professional 2013
Windows 7 Enterprise, 64-bit
Valued Contributor
fakeru
Posts: 88
Registered: ‎03-07-2010
Message 3 of 6 (410 Views)

Re: Loft with multiple openings

01-24-2013 02:46 AM in reply to: waynehelley

Wayne Helley,

I suggest you make the 2 lofts in solid. Then delete the 3 faces and you will get a surface.

Something like that:

Capture.JPG

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Distinguished Contributor
Mark.Downes
Posts: 118
Registered: ‎11-18-2010
Message 4 of 6 (399 Views)

Re: Loft with multiple openings

01-24-2013 03:49 AM in reply to: nick.jeuris.hotmail

Hi Nick,

 

It’s not too difficult to loft square to 2 rounds, but the transition is not really pretty,

It would look nicer if the square edges had radii if allowable.

Just keep in mind the topology of the loft.

Keep loft edges to the same edge count, (i.e. not 1 edge to 3) etc...

 

Cheers

Mark

 

Loft-Example.JPG

Member
nick.jeuris.hotmail
Posts: 5
Registered: ‎08-27-2012
Message 5 of 6 (364 Views)

Re: Loft with multiple openings

01-24-2013 06:32 AM in reply to: nick.jeuris.hotmail

Thanks for the quick answers.

 

I found a method which gives a satisfactory result.

First I made 2 lofts, next I deleted the faces in between the lofts and finally, I patched the 2 lofts together.

 

I have attached a screenshot of the result.

 

Thanks everyone for the replies!

Valued Mentor
mpatchus
Posts: 464
Registered: ‎10-22-2008
Message 6 of 6 (328 Views)

Re: Loft with multiple openings

01-24-2013 07:35 AM in reply to: nick.jeuris.hotmail

If you want this to be a true sheet metal transition which could be flattened, you would have to make two halves like the attached.

Loft Transition.jpg

loft-sm-flat.jpg

Mike Patchus

Inventor 2012 SP3 ~ Vault Pro 2013
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Win 7, 24gb RAM, NVIDIA Quadro FX 3800

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