Anshuman,
That's a worthwhile point. All of today's commercial additive fabbers
are in the category of *flat-layer additive fabrication.* Some of these
processes, such as Stratasys' extrusion method and the newer laser
deposition techniques, have the potential to work in a more general context,
not limited to layered structures. The really exciting fabbers of the future
will use more advanced techniques, such as formative and accretive (cf.
biological) fabrication. There's a discussion of some of these ideas in my
Portugal paper from a couple of years ago at
http://www.ennex.com/publish/199707-MB-OriginDirection.sht. I also talked
there about making 1-D and 2-D structures, such as fur, eye lashes, and
garments, which are beyond today's fabbers to do.
Best regards,
Marshall Burns
President, Ennex Corporation
Marshall@Ennex.com
Los Angeles, USA, (310) 397-1314
http://www.Ennex.com
----- Original Message -----
From: "Anshuman Razdan" <razdan@asu.edu>
To: "'Marshall Burns'" <Marshall@ennex.com>; "'Bob Cratchit'"
<bob_cratchit@hotmail.com>; <rp-ml@bart.lpt.fi>
Sent: Wednesday, November 15, 2000 08:14
Subject: RE: What's in a name........?
>
> Not to digress from this wonderful conversation but it got me thinking....
>
> Is it 2D, 2 1/2D or 3D printing?
>
> The machines ONLY work in 2D layers
> The parts could be construed as 2 1/2 D since you fix the Z or build
> direction and it never changes
> The resulting parts are 3D
>
> Hmmmmm
>
> AR
>
> ---------------------------------
> Dr. Anshuman Razdan
> Director PRISM
> Email: razdan@asu.edu
> http://prism.asu.edu/~razdan
> MC 5106 Arizona State University
> Tempe AZ 85287-5906
> Phone: (480) 965 5368
> Fax: (480) 965 2910
>
>
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