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Full Version: Create ventilation holes/grid with Node Editor?

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From: insekt
24 Jan 2023   [#4]
Hi Pilou and bemfarmer!

Thanks for your input, it's been very helpful.

However, when I googled for different solutions, I came across a very interesting Rhino tutorial that achieves EXACTLY what I would like to do, but without using any nodes at all:



Here's an image from the tutorial:



That wiregrid to the left is what I'm trying to achieve.

So, first he extracts the wirefram from the original shape. This would be doable in Moi, using the ISO tool.
Then he rebuilds the curves. This is also doable in Moi, using the Rebuild tool.
Then he turn the curves into pipes. Also doable in Moi.
However, then he uses something called "Sub-d Multipipe" (around 5:40 in the video). This is not something I'm familiar with in Moi, and I found nothing on Google.

Is there something similar to Sub-D Multipipe in Moi?
If not, is there a workaround to achieve the same result, with or without the Node Editor?

Image Attachments:
RhinoExample_1.png 


From: Michael Gibson
24 Jan 2023   [#5] In reply to [#4]
Hi insekt,

re:
> Is there something similar to Sub-D Multipipe in Moi?

No, not currently.


> If not, is there a workaround to achieve the same result, with or without the Node Editor?

You might check out TopMod:
http://people.tamu.edu/~ergun/research/topology/download.html

If you export out from MoI into .obj format then bring that into TopMod I think it has some different kinds of framing methods for generating structures around polygon edges.

If it is able to build an all quad structure you could then export that back out to an .obj file and use the MOI sub-d converter (SubD > Create > "From file") to convert it into NURBS geometry in MoI.

- Michael
From: Michael Gibson
24 Jan 2023   [#6] In reply to [#4]
Also the Skin modifier in Blender might be able to create a structure like that also:

https://docs.blender.org/manual/en/latest/modeling/modifiers/generate/skin.html

Or maybe wireframe modifier:
https://blender.stackexchange.com/questions/2838/create-a-rounded-wireframe
https://docs.blender.org/manual/en/latest/modeling/modifiers/generate/wireframe.html

- Michael
From: Frenchy Pilou (PILOU)
24 Jan 2023   [#7]
Yep TopMod is a breeze! :)
Some trys ;)
https://issuu.com/frenchy_pilou/docs/topmodYep




OBJ is now a nurbs object! And here with a little Subdivision in Moi itself!

From: insekt
24 Jan 2023   [#8]
Alright!

It feels like I've had all my questions answered.

Thanks for your help, everyone!

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