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Full Version: About SubDivide in nurbs :)

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From: Frenchy Pilou (PILOU)
10 Mar 2020   [#48]
Always amazed as little forms can do in no time! :)


From: Frenchy Pilou (PILOU)
11 Mar 2020   [#49]
Add a dummy SPlit at the lateral sides to make extrusions (the fork tines).
Make extrusions on perimeters! So kill inbetwenner faces !
Separate/Join when a subdivision is made!
Close a hole with successive snaped extrusions!
(here one by one because intervals are not the same! So no possibility to use array! )



You will have a solid at the end!



Of course not yet so fluid than Rhino 7 but funny! :)


From: Frenchy Pilou (PILOU)
11 Mar 2020   [#50]
Extrude by Dir then
Orient / Line-Line / Stretch / Copy can be cool + Plane sides
can be cool for increase the volume on no regular perimeter!


From: Frenchy Pilou (PILOU)
11 Mar 2020   [#51]
Infinite possibilities of Bridge function! :)


From: Frenchy Pilou (PILOU)
12 Mar 2020   [#52]
If any questions about this funny method of subdivision inside Nurbs don't hesitate!
Thx Max Smirnov for these magic tools!

Advantage is the very few tools to learn/use! :)

- Extrude face(s) (not on the extremities)
- Scale with Points enabled
- Split on a single Edge or a face(s)... don't need to recall it, just Right Click
- Bridge only between 2 faces : careful of overlapings
( useful for replace the Extrude at the "extremities" : just Copy / Move the face then Bridge )

Show Points from the beginning, and never accept the SubDive before the final result wanted... :)

Here just a tranparent Texture of the Engine Render...

From: Ken (OKURO)
12 Mar 2020   [#53] In reply to [#52]
Many thanks Pilou for your fantastic inspirations....great work !!!
But would you like to post some kind of "how to basic tutorial - as a step by step cook-book" for all the un-initiated noobs ?
That would realy by a mind-opener ??? Big thanks + good luck to you
Best wishes
O.
From: Frenchy Pilou (PILOU)
12 Mar 2020   [#54] In reply to [#53]
In fact that is very simple! :)

The volume must be without internal faces!!!

This follow is the general case who always works! The Bridge function between 2 separated faces!

In this specific case the Extrude will also works because faces are not on the "extremities"
and not touch between them !
Box on the left don't work because Top/ Bottom face are too complex for the Plugin!
You must split it first! With any method but without internal faces! Here there is a new building :)
Use of the SsPlit function is of course used!





Here following Subdivision after Extrude will not work!
Because there are no more "triming faces"!


From: TOM (SIRTOM)
12 Mar 2020   [#55]
Hey Sub-D Master Pilou, thank you so much for sharing your insights !!
From: Frenchy Pilou (PILOU)
12 Mar 2020   [#56]
In case of 2 neighbour (or more) different faces - Will works with the volume's faces extremities! ;)

A possible method (the funny game is to find the more speedy effective one! ;)
- Select & Copy Move the 2 faces
- Delete original (easy because yet selected)
- Select Perimeter (careful to not select the vertical middle edge(s) !!! )
- Extrude WITHOUT Cap Ends!!!
- Join All
- SubDivide



Of course can be multiple if you take the same length of Extrude! ;)
(there is an optic effect of record, extrude goes from faces to piece as post above)


From: Frenchy Pilou (PILOU)
12 Mar 2020   [#57]
And Move Points is always possible!



And of course the Sscale!


From: Frenchy Pilou (PILOU)
13 Mar 2020   [#58]
Just use 2 Steps of subdivision (first plane - Extrusion) then extrude the faces!

I am always amazed by the voluptuous result in no time! :)




From: Frenchy Pilou (PILOU)
15 Mar 2020   [#59]
About history after a Mirror : seems Move & Sscale work ! (object or points)
Psplit, Extrude of face(s), Bridge of 2 faces of Original don't work for the moment!

For make an history of a mirrored object
- Mirror Object Original
- Select mirrored Object
- History Enable Update
- Modify Original! :)


From: Frenchy Pilou (PILOU)
15 Mar 2020   [#60]
Multiply an object by Array for unic pasted volume

- Just kill the 2 "faces jonction extremities"
- Use Array
- Recreate the 2 "faces jonction extremities" of the complete object
- Join All
- SubDivide


From: Frenchy Pilou (PILOU)
19 Mar 2020   [#61]
So smooth ;)


From: Frenchy Pilou (PILOU)
20 Mar 2020   [#62]
Piles - use of Bridge for close volumes!


From: nameless
21 Mar 2020   [#63] In reply to [#62]
Beautiful! (and the tuts are awesome too)
From: Frenchy Pilou (PILOU)
21 Mar 2020   [#64] In reply to [#63]
Thx...try it!

it's a true pleasure to make a speedy form then render it! (mine is the free Simlab Composer Lite ;) Max 1920*1080

And a cool change mind in these darkness confined times!
From: Frenchy Pilou (PILOU)
21 Mar 2020   [#65]
And you will see that Subdivision modeling is different than pure Nurbs because you don't know exactly what will be the result!

It's always a surprise when you press the Subdivision's button who transform boxes in voluptuous surfaces! :)

Maybe more artistic filling against mechanical one! ;)
From: pafurijaz
25 Mar 2020   [#66]
This is an interesting discussion and I want share my experience in this field, I made a few experiment and I understood how modelling suddiv for nurbs conversion with moi3d.








From: Frenchy Pilou (PILOU)
1 Oct 2020   [#67]
A new process in the SudDive Tool Box ;)

Project a curve to a complex volume (yet well working for subdive)
Trim
Kill Curve(s)
Join
that all! :)
PS Extrude can't work because face(s) are not in middle of surfaces!
So Copy Move one face(s) then "Bridge" one to one ! Copy / Move Faces can be Multiple!




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