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Geek Culture / has anyone seen that 3d scanner thingy?

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PAGAN_old
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Posted: 28th Jan 2008 04:21
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pretty neat huh?
when i become rich?, im gonna get me one

dont hate people who rip you off,cheat and get away with it, learn from them
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AaronG
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Posted: 28th Jan 2008 04:39
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It'd be good for detailed Normal Maps...but that's all I can see it for, other than renders of course.


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Digital Awakening
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Posted: 28th Jan 2008 10:23
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3D scanners are nothing new, and which one is this referring to? Many prefer working with their hands to build a physical model, it's often easier then working in a 3D program. Most suitable for games (at the moment) would probably be a scanner where you place a pen where you would want a vertex. That way you can control the mesh detail.

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bitJericho
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Posted: 28th Jan 2008 16:25
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Quote: "Most suitable for games (at the moment) would probably be a scanner where you place a pen where you would want a vertex. That way you can control the mesh detail."


I wonder if that could be done with an infrared device, sort of like the wii-mote.

It'd be difficult to make it accurate, has this been done?

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Digital Awakening
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Posted: 28th Jan 2008 16:57
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Are you wondering if such a scanner exists? It is used in the movie industry. Not only was it the technique they used for Toy Story but I've seen adds of smaller such scanners where the pen was attached to a flexible arm. It's an old technique.

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BiggAdd
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Posted: 28th Jan 2008 17:04 Edited at: 28th Jan 2008 17:07
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http://www.nextengine.com/indexSecure.htm

I've seen a couple lying around in the Engineering department where I study.

They still require a bit of work after they are scanned in.

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bitJericho
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Posted: 28th Jan 2008 17:07
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No, I was saying about the pen thing, where you click to place a vertex. Like having a "3d" pen. That would be amazing.

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NeX the Fairly Fast Ferret
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Posted: 28th Jan 2008 17:08
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Quote: "place a pen where you would want a vertex"

Wasn't that used in Colin McRae Rally? (The first one)

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BiggAdd
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Posted: 28th Jan 2008 17:09
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I was giving the link Pagan was on about.

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Digital Awakening
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Posted: 28th Jan 2008 20:32
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Quote: "No, I was saying about the pen thing, where you click to place a vertex. Like having a "3d" pen. That would be amazing."


I don't know what they are called so I can't find any, seems like lasers are the the way to go today.

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Jeku
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Posted: 28th Jan 2008 21:33
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I'd rather have a 3D printer.


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AaronG
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Posted: 28th Jan 2008 21:54
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Haha that would be ingenious.


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NeX the Fairly Fast Ferret
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Posted: 28th Jan 2008 21:55
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I think I saw one that used hot plastic.

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Digital Awakening
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Posted: 28th Jan 2008 23:52
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Well, anyone have seen American Chopper on Discovery? They use water jets with sand to cut metal parts as well as one to make their own wheels. These are computer controlled, like using a CAD program.

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BatVink
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Posted: 29th Jan 2008 09:04
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I saw reports on a 3D printer a few years ago. It was more of a "relief" printer than 3D - just raised the image by a maximum of a millimetre or so.

You may notice the 3D Scanner ads have gone, and we're getting stuff that's far more relevant, interesting and varied
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Van B
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Posted: 29th Jan 2008 09:31
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I remember seeing a really cool 3D printer, used translucent liquid and made like solid plastic parts, you could actually have fully 3D bits, like a whole gearbox could be made from this stuff in 1 go. Probably an early version of the one Nex saw. How cool would it be to 'print out' 3D models of your game characters .

There is a much lower-fi 3D system that uses a lathe, basically takes a chunk of material and carves away until the shape is revealed, although only used for convex shapes, not exactly fully 3D, more like a lathe than anything fancy.


less is more, but if less is more how you keeping score?
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sp3ng
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Posted: 29th Jan 2008 10:48
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i saw a show that was talking about a 3d printer that reads from a 3d program and lays down a thin sheet of paper which it cuts to the cross section of that part of the model, it then lays down another thin sheet and cuts that to the cross section at that point and so on, building it up till it has a full 3d model


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Digital Awakening
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Posted: 29th Jan 2008 11:10
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BTW, the manufacturing industry is filled with metal carving and shaping machines. And IIRC the car industry use some kind of machine that cuts out a whole car from a block of some material in the design process.

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Kendor
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Posted: 29th Jan 2008 11:26
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3D Printer
3D Scanner

The 3d printer is neat, I wouldn't mind having one.

Theory is when you know something, but it doesn't work. Practice is when something works, but you don't know why.
Programmers combine theory and practice: Nothing works and they don't know why.
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