Wasn't the last truly commercial 3D "RP" machine BPM? Have there been
others? I say BPM because it had the ability to spray the material normal to
the surface direction.
Have there been others that did or did not make it to the commercial world?
AR
>> -----Original Message-----
>> From: Marshall Burns [mailto:Marshall@Ennex.com]
>> Sent: Wednesday, November 15, 2000 10:36 AM
>> To: razdan@asu.edu; 'Bob Cratchit'; rp-ml@bart.lpt.fi
>> Subject: What's in a dimension?
>>
>>
>>
>>
>> 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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