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Geek Culture / software that can "unfold" 3D into 2D patterns?

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Phaelax
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Posted: 12th Apr 2011 03:12
If you unfold a 3D box, you'd get an image like this one below:



I was wondering if there was anything that could take a 3D model of a slightly more complex shape and layout a 2D shape of it, so that when the 2D shape was folded it would create the 3D object. It's so I can make a physical pattern for a project I'm working on for the gf.

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thenerd
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Posted: 12th Apr 2011 03:18
Like a UV map?

Phaelax
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Posted: 12th Apr 2011 03:20 Edited at: 12th Apr 2011 03:25
I guess something like that might work, cause studio max can unwrap the texture map. Hmm....

There's a plugin that supposedly unfolds 3D objects in Sketchup, so I'm downloading sketchup to check it out.

sketchup is confusing to use

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thenerd
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Posted: 12th Apr 2011 03:25
There is a script for Blender that does exactly what you need. I haven't tried it yet though, I'm doing so right now.

Phaelax
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Posted: 12th Apr 2011 03:26
Cool, show me the results if you can.

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thenerd
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Posted: 12th Apr 2011 03:30
Yeah, I can't get it to work... my Python installation is all messed up apparently. Oh well. This is the plugin that I'm talking about, I don't know if you have Blender, but it might be useful...
http://www.celeriac.net/unfolder/

Phaelax
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Posted: 12th Apr 2011 04:53
Python setup yes, blender no.

oh well, i drew it by hand and hopefully I got it right. I had to tape 6 newspapers together to make the pattern large enough.

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Fallout
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Posted: 12th Apr 2011 10:50
I think the reason why UV unwrapping tools exist with all their functions etc. is because an automatic tool will probably fail to unwrap in an intuitive way. They work OK for boxes, cylinders and other primitives though.

Unwrapping is one of my least favourite development tasks, but doing it by hand and taking time yields the best results imo. I use Ultimate Unwrap 3D which I think is worth the casheesh.

Travis Gatlin
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Posted: 12th Apr 2011 16:28
I've used the unfold tool, works really well! there is an option to animate the unfolding too, which is really neat.

JLMoondog
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Posted: 12th Apr 2011 18:27
Sculptris has an auto unwrapper and would work perfectly for this.

Travis Gatlin
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Posted: 12th Apr 2011 21:40
Just Depends on what format he wants it in and what program he uses, which from the screenshot supplied, he uses sketchup, which in that case, he could use the 3ds exporter in blender to import it within sketchup, and from my experience with Sculptris, it doen't export to that format.

Phaelax
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Posted: 13th Apr 2011 00:12
Screenshot was a random image I found on google. If I finish this 5 foot monstrosity, I'll share a pic so you can all laugh at me.

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Travis Gatlin
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Posted: 13th Apr 2011 01:01
We won't laugh at you! if it really it is that funny, then we'll laugh quietly to ourselves

PAGAN_old
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Posted: 13th Apr 2011 01:02 Edited at: 13th Apr 2011 01:08
I waas also thinking of a UV map. i am guessing such software wont be too different from a uv map. but for me uts a complete pain in the ass. fidding around with the uv map, to get the texture to cover the right spots. thats why (idk if you can do that in other modellers) but in milkshape 3d, what i do, is i only texture certain small amounts of faces. piece by peace, not like make a texture to cover the entire model especialy if its a person. Also, i keep my models, low poly, and i try not to do anything fancy, it makes the texturing process a lot easier and less time consuming. And sometimes i make shortcuts if i dont need anything fancy, like if my charecters hair is black, i just select the hair polygons and put a solid black texture on it. make the boots, solid brown, make the jacket solig grey, the only think i actually end up texturing is the face and in this one, the fists (i made them fists, because it takes less polys and he can always be holding something)


(the fists here were pain in the ass to texture for some reason, the pattern of the fingewrs always came out looking backwards or too streched)

but as some of you may know, i am a fan of 90s chunky 3d graphics. its like nostalgia or something.


but i think unfolding a complex model on a 2d plane, would be a pain in the ass to texture because some of the polygons that are normally in 3d will need to change their dimentions if unfolded in 2D forcing you to strech or compress some parts of the texture and you never know what it might coume out like when you put it on an actual 3d model.

i wish you could just take a 3d model, and draw on it/ paste textures on lit. and stretch/edit/rotate them on real time on an actual 3d model without having to deal with UV mapping. Like as if you actually have a 3d thing, and you are painting it, or pasting textured pieces of paper all over it which you can strech and edit in real time

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Travis Gatlin
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Posted: 13th Apr 2011 01:30
I like it! reminds me of the old PS1 Graphics, i also like the cartoony style, if you use Blender, unfold it for us

PAGAN_old
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Posted: 13th Apr 2011 04:54
i used milkshape. as i said its a pain in the ass to unfold or use a uv map, so i just colored most groups of faces 1 color



here is a more complete image of him. you can see his boots are just brown grey pants, white shirt, grey jacket, black hair with no detail and only his face and fists are actually textured.

now. primitives like blocks and cylinders, are for some reason easy to texture. texture just immediatley sticks to it the way its supposed to.

but if i create something, vertex by vertex, like i did with this dude over there, texturing becomes really screwed up. like most of the time, the texture is so streched or oversixed or compressed, that you end up seeing, just the average color of the texture or partial color.

Hey btw, what i mentioned earlier about real time 3d texturing

Quote: "i wish you could just take a 3d model, and draw on it/ paste textures on lit. and stretch/edit/rotate them on real time on an actual 3d model without having to deal with UV mapping. Like as if you actually have a 3d thing, and you are painting it, or pasting textured pieces of paper all over it which you can strech and edit in real time
"


does anything like this exist??? because if it does, i am even willing to pay money for it!

dont hate people who rip you off,cheat and get away with it, learn from them
Neuro Fuzzy
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Posted: 13th Apr 2011 06:25
Quote: "does anything like this exist??? because if it does, i am even willing to pay money for it!"

OF COURSE!

i don't know what though

I am CERTAIN i've heard of a program like this before. ALSO worth considering: there's a tool I've seen in youtube videos where you edit a super duper high poly mesh, and then export most of the geometry in that mesh as a bump map. You can have amazing looking stuff with little effort using that method.


Tell me if there's a broken link to images in a thread I post, and I'll fix 'em.
PAGAN_old
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Posted: 13th Apr 2011 06:44
Quote: "OF COURSE!"




Quote: "i don't know what though "

[facepalm]

you got my hopes up for nothing

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Phaelax
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Posted: 13th Apr 2011 07:23
Several tools allow you to paint right onto a 3D object. I believe Photoshop is one of them.

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PAGAN_old
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Posted: 13th Apr 2011 12:30
how?

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Quik
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Posted: 13th Apr 2011 12:50
Sculptris does, Zbrush does i believe, basicly every sculpting program you can get your hands on.
3ds max does it, though not good. I believe anyway


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PAGAN_old
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Posted: 13th Apr 2011 12:59
ok so you can paint them by jhand, but can you paste textures on them by hand in 3d and like stretch and scew them? thats something i would really love to see

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thenerd
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Posted: 13th Apr 2011 13:28
Blender does that too... a lot of 3d modelling softwares do.

Seppuku Arts
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Posted: 13th Apr 2011 15:09 Edited at: 13th Apr 2011 15:14
3D Coat I found it absolutely beautiful at unwrapping an object. I found it really easy to learn and the results were great, sadly I only got to play with the demo. I might buy a copy when I get back into my 3D.

I actually made a video tutorial, so it ought to be a good enough demonstration of what you can do - the video quality isn't brilliant, but you should be able to see the result UV map as I go through, that's what I loved about it, you could see your UV map update as you add seams, leaving room for trial and error.



Their URL:
http://www.3d-coat.com/

bruce3371
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Posted: 13th Apr 2011 15:42
http://www.papercraft3d.com

http://www.pumpkinpirate.info/flattery/

Sorry if I'm a bit late to the party!!

Here's a couple of websites with downloads of what you might be needing, one is for a standalone program that PaperCrafters use to unfold 3d models, the other is a plug in for Sketchup which does the same thing.

PAGAN_old
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Posted: 13th Apr 2011 17:08
nice, i will need to get a setup like this

dont hate people who rip you off,cheat and get away with it, learn from them
Phaelax
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Posted: 14th Apr 2011 12:34
Painting onto 3D objects in Photoshop

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Phaelax
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Posted: 29th Apr 2011 19:09
Quote: "If I finish this 5 foot monstrosity, I'll share a pic so you can all laugh at me."

Just needs whiskers and the head sewn on.




bitJericho
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Posted: 30th Apr 2011 18:11
Haha that's awesome.

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Posted: 30th Apr 2011 18:28
I use Wings 3d to do this, but I hear Fragmotion has a very good one as well. Never tried it though. This is usually called Unwrapping, or UV mapping. The end result is a UV map. 3d section might yield better answers.

Jimmy
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Posted: 30th Apr 2011 21:10
Quote: ""


Sometimes I wish I was your girlfriend, Phaelax.


May 10th / Geek Culture / Jerico2day-OBese87 / VOTE
Phaelax
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Posted: 1st May 2011 09:40
well i just might give it to you instead of her. She apparently forgot she was on stickam webcam with a microphone on; very interesting conversation I listened to for about 25 minutes before she read on facebook I was listening the whole time. The expression on her face was priceless.

I'd sell it on ebay if the body didn't look so crappy.

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