Is it possible to fillet those edges?  1-20  21-25

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 From:  Rich_Art
5091.1 
Hi All,

Here is the fillet guy again.
See image. Is it possible to fillet those selected edges? I've tried all sorts of options but non works.
This is just a test/play around and I stumbled up on this problem.







Peace,
Rich_Art. ;-)

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 From:  TpwUK
5091.2 In reply to 5091.1 
I can't do it either in MoI - It's doable in Rhino so i can't figure why not in MoI. However, when trying to do a fillet in MoI you can see a hidden pair of lines appear so was your original model a cube by any chance, even ShrinkTrimmedSrf won't help either - Good puzzle!!

Martin
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 From:  BurrMan
5091.3 In reply to 5091.1 
Hi Rich,
Do them one at a time.. The area where they meet at the point, that has no fillet, is whats causeing MoI's filleter to fail trying to figure out how to connect a bunch of zero fillets.

EDITED: 19 Jun 2012 by BURRMAN

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 From:  Michael Gibson
5091.4 In reply to 5091.1 
Hi Rich_Art - it's possible that the filleter doesn't know how to handle the patch area at the very top, but you've also got a different problem there in that you've previously filleted other edges that are running into the same area that you want to do now:





So because of that you've got a situation like this where you're only trying to fillet just this edge on the box example here:



That will confuse the filleter because by selecting only that edge and not the one above it you're telling it to try and open up a hole in the model something like this:





So when you've got something like that you need to select a longer range of edges including the one made from the previous sharp-cornered fillet like this:



Then the filleter will be able to try to put in a fillet like so:



So in order for the filleter to have a chance with your shape there, you will need to select those little tiny edges on the bottom areas where you've had that previous sharp-cornered fillets go.

But having stuff like some partial fillets placed with sharp meeting junctures in areas that collide with more edges that you want to fillet is not so good - it's better to do the filleting of such thing all in one go when the edges are interacting with one another like this - doing it all in one go allows the filleter to classify the places where things collide together as needing corner patches in it - by doing a sort of partial fillet before hand like you've done here the filleter now needs to actually consider the previous little fillets on the bottom and process them as things to construct new fillets between so it makes things more complex for the filleting if you do connected edges in separate batches like this.

- Michael

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 From:  Michael Gibson
5091.5 In reply to 5091.3 
And it looks like Burr beat me to it!

MoI's filleter can sometimes have problems in situations where fillets just disappear completely at one end of them.

- Michael
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 From:  Michael Gibson
5091.6 In reply to 5091.1 
Hi Rich_Art - did you previously try to do the fillet all at edges at once but had a problem with that?

Normally doing it all edges at once would have been better, except this particular kind of case with the multiple "disappearing" fillets (where the fillets pinch down to nothing at the end) has some problems in it.

So I guess that's probably why you ended up with the sort of partially done fillet in this case?

- Michael
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 From:  Michael Gibson
5091.7 
Also here's a different version of your model with the arches of slightly different height which avoids having that kind of "crown point" juncture - this version will fillet more easily doing stuff all at once since it avoids the "disappearing fillet" type situation.

- Michael
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 From:  Rich_Art
5091.8 In reply to 5091.7 
First of all thank you all for the help.....

>>Hi Rich_Art - did you previously try to do the fillet all at edges at once but had a problem with that?<<

Yeah I guess. Perhaps it is best to remake the whole object and try again to fillet it.


>>Also here's a different version of your model with the arches of slightly different height which avoids having that kind of "crown point" juncture - this version will fillet more easily doing stuff all at once since it avoids the "disappearing fillet" type situation.<<

Thanks but that is not wanted. :-)

There is a new tutorial on a C4D forum which shows how to make this. I thought, hey Moi can do this in 2 seconds. I was wrong lol.

See image from the tutorial..





Peace,
Rich_Art. ;-)

EDITED: 21 Apr 2012 by RICH_ART

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 From:  Michael Gibson
5091.9 In reply to 5091.8 
Hi Rich_Art, yeah unfortunately that's a particular type of topology and shaping that the filleter has some trouble with.

Another technique that can sometimes help to make things easier on fillets in areas where it has trouble is to put a sort of "hub" where pieces are coming together, see the attached example, that one will fillet up to a radius of 0.2 when it seems to run into some trouble again.

- Michael
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 From:  BurrMan
5091.10 In reply to 5091.9 
I dont know if I would call that a fillet. More like a constant variable blend!

Here I did your model and used some trimming to allow the blend tool to work.



I also altered the model in a way that allowed the constant fillet to make a result, then did some lower level work to finish it off. Here's a link to that one:

http://youtu.be/7_lVpJqST2A

Both methods though, are left with needing the "n-sided patch" to get a quality surface. Something on my wish list. With that tool, there will be most nothing that MoI could model!
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 From:  Rich_Art
5091.11 In reply to 5091.10 
Hi guys,

Both great solutions... To bad Moi can't deal with it without a workaround but both very usable solutions..
Thanks for pointing me in the right direction. :-)


Peace,
Rich_Art. ;-)

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 From:  Frenchy Pilou (PILOU)
5091.12 
A little tut that i made ;) (in French sorry )
Just 4 curves on 2 cube's faces are sufficient for make a complete boolean intersection
Select all / Construct / Boolean Merge
Just kill (or keep and move) the internal volumes!







Print screen of the "Moi work canvas"

EDITED: 21 Apr 2012 by PILOU

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 From:  Rich_Art
5091.13 In reply to 5091.12 
Nice nice but you export to?
Did yo made the fillet in Moi??


Peace,
Rich_Art. ;-)

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 From:  Frenchy Pilou (PILOU)
5091.14 In reply to 5091.13 
<< Did yo made the fillet in Moi??

Of course yes I have made all that only inside Moi ! ;)

This Export OBJ can works with any prog who accept Ngons: C4D etc...
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 From:  Rich_Art
5091.15 In reply to 5091.14 
Yeah I have it now as well. I fillet one edge at the time for the inner part.. Works good now..

See example.. + C4D













Thanks for the help guys.. Moi3D did it again..... yeahhh


Peace,
Rich_Art. ;-)

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 From:  Frenchy Pilou (PILOU)
5091.16 In reply to 5091.15 
Cool :)
---
Pilou
Is beautiful that please without concept!
My Gallery
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 From:  Mauro (M-DYNAMICS)
5091.17 
Rich:
>>There is a new tutorial on a C4D forum which shows how to make this<<

can you post the link or need to be logged?
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 From:  Rich_Art
5091.18 In reply to 5091.17 
I think you need free registration to see the vids indeed..
The post that is made can be found on,

http://www.c4dcafe.com/ipb/topic/67878-free-video-tutorial-modeling-a-rib-vault-type-ceiling-in-cinema-4d/


Peace,
Rich_Art. ;-)

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 From:  BurrMan
5091.19 In reply to 5091.18 
Here's a quick video of that model, although it IS different than the picture depicted.

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 From:  Frenchy Pilou (PILOU)
5091.20 In reply to 5091.19 
Another method :)
I have seen from your example that my second curve was not obliged :)
Except for decoration :)
---
Pilou
Is beautiful that please without concept!
My Gallery
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