Re: Re: RE: Fwd: Rapid Prototyping-3D Modelling-Additive Manufacturing History

From: Jim McMahon <jim_at_layergrownmodel.com>
Date: Thu, 8 Dec 2016 20:35:08 -0500

I love it. (Your new job) I was being corny about the offer mostly because
I am not that young and it should be held by someone 1/2 my age.

On Dec 8, 2016 8:30 PM, "Elaine & Bill Hunt" <ewhunt_at_bellsouth.net> wrote:

> Jim, I meant this email as a reply to Tim Gornet but can also supply
> things to you as well. History should be written, saved, and shared! Guess
> what my new life's work is after retirement? Writing local history books!
>
> Elaine
>
>
>
>
> On Dec 8, 2016, at 4:14 PM, Jim McMahon <jim_at_layergrownmodel.com> wrote:
>
> Gulp. I feel responsibility poking at me?
>
> On Dec 8, 2016 3:46 PM, "Elaine & Bill Hunt" <ewhunt_at_bellsouth.net> wrote:
>
>> I had Dick Aubins notes on forming the user group and first meetings of
>> beta users. He did the original by laws which I hope still exists somewhere.
>>
>> I'll send you original user group pics as I locate them. Happy to know
>> you have the archive.
>>
>> Merry Christmas!
>>
>> Elaine
>>
>>
>>
>>
>> On Dec 8, 2016, at 9:44 AM, tim.gornet_at_louisville.edu wrote:
>>
>> Elaine – between my collection of proceedings and marketing material as
>> well as the donation by Tom Sorovetz I think we have documentation on most
>> everything from the SLA-1 on including some of the early hand written
>> notes of the first SLA Beta and SLA User’s groups. I good link with dates
>> etc.. for the history is
>>
>>
>>
>> https://3dprintingindustry.com/3d-printing-basics-free-begin
>> ners-guide/history/
>>
>>
>>
>> And I have stated before, regardless of who filed patents first, etc….
>> There is no question that Chuck Hull is the” father” of 3D printing as it
>> was him and 3D Systems that really brought the technology into the
>> mainstream. Even with his work the other technology founders such as the
>> Crumps, Deckard, Feygin, etc…. labored extremely hard to get their products
>> to market. If you have ever heard any of these early founders speak about
>> how they started their technologies and companies, the difficulties to get
>> rhrough design/development into the market it is impressive to see where
>> they have ended up (some good ….. some not so good).
>>
>>
>>
>> As far as software I think we are finally starting to see
>> CAD/Design/Optimization software companies start to create 3D
>> printing/Additive Manufacturing aware design, optimization, and simulation
>> software that are going to be necessary to transition 3D printing
>> (especially metals) into a widely used manufacturing process.
>>
>>
>>
>>
>>
>> Tim Gornet Manager, RPC Operations
>> email: tim.gornet_at_louisville.edu
>> Rapid Prototyping Center
>> Vogt Bldg. Rm 101, University of Louisville, Louisville, KY 40292
>> Phone: (502)852-0714 <(502)%20852-0714> FAX: (502)852-8890
>> <(502)%20852-8890>
>> http://www.louisville.edu/speed/rpc/
>>
>>
>>
>> *From:* rp-ml-owner_at_rp-ml.org [mailto:rp-ml-owner_at_rp-ml.org
>> <rp-ml-owner_at_rp-ml.org>] *On Behalf Of *Elaine & Bill Hunt
>> *Sent:* Thursday, December 08, 2016 8:19 AM
>> *To:* tim.gornet_at_louisville.edu
>> *Subject:* Re: [rp-ml] RE: Fwd: Rapid Prototyping-3D Modelling-Additive
>> Manufacturing History
>>
>>
>>
>> The folks at Aries developed the first program to output an Atlanta file
>> from a solid modeling program. Auto cad also had a very weak interface
>> program about the same time although they did not have solid modeling. I
>> began using a SLA 250 at Clemson in June of 1989. They are forgetting the
>> LOM process as well..
>>
>>
>>
>> Unfortunately Clemson threw away all the historical collection I built
>> after I retired. I had all the conference proceedings especially those from
>> university of Dayton...
>>
>>
>>
>> Oh well that's life! Still many of the old beta users around.
>>
>>
>>
>>
>>
>> Elaine Hunt
>>
>>
>>
>>
>> On Dec 7, 2016, at 9:07 PM, Joshua Harker <info_at_joshharker.com> wrote:
>>
>> Have a hard look into Bill Masters & Carl Deckard's work & timelines.
>> Regardless of patent dates or who was 1st to press (no pun intended),
>> Hull's contributions arguably come after (particularly compared to
>> Masters). Certainly not a conspiracy but would be good to confirm all the
>> player's stats. Here's the obligatory Wikipedia links but there's a fair
>> amount more out there with a little searching.
>>
>> Bill Masters: https://en.wikipedia.org/wiki/William_(Bill)_Masters
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__en.wikipedia.org_wiki_William-5F-28Bill-29-5FMasters&d=AwMFaQ&c=SgMrq23dbjbGX6e0ZsSHgEZX6A4IAf1SO3AJ2bNrHlk&r=hQIGoYV6i5iPsBFgHMWT_LUw9AeHmUfIOLm4s1s9bvQ&m=FPm7Wu3hQr0b6BNlGVMr_OgPNzJrDQjL57KPGS0sC9k&s=Hwvph3fdKEirhzB70XrFLIO5CGx7piO3hBloIFJgB3k&e=>
>>
>> Carl Deckard: https://en.wikipedia.org/wiki/Carl_R._Deckard
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__en.wikipedia.org_wiki_Carl-5FR.-5FDeckard&d=AwMFaQ&c=SgMrq23dbjbGX6e0ZsSHgEZX6A4IAf1SO3AJ2bNrHlk&r=hQIGoYV6i5iPsBFgHMWT_LUw9AeHmUfIOLm4s1s9bvQ&m=FPm7Wu3hQr0b6BNlGVMr_OgPNzJrDQjL57KPGS0sC9k&s=bBCLKcgx9YaqkjvMkQ5GRaP0Jygw9nyj4Ry4ydi15es&e=>
>>
>>
>>
>> Also here's the link to archived Castle Island RP Patent Database
>> (1/7/2010): https://web.archive.org/web/20100111010815/http:
>> //home.att.net/~castleisland/pat_db.htm
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__web.archive.org_web_20100111010815_http-3A__home.att.net_-7Ecastleisland_pat-5Fdb.htm&d=AwMFaQ&c=SgMrq23dbjbGX6e0ZsSHgEZX6A4IAf1SO3AJ2bNrHlk&r=hQIGoYV6i5iPsBFgHMWT_LUw9AeHmUfIOLm4s1s9bvQ&m=FPm7Wu3hQr0b6BNlGVMr_OgPNzJrDQjL57KPGS0sC9k&s=bff3ZtnPjX8xg1H30GhxS34xhBFLd4xHlJduYr9Jdaw&e=>.
>> It would be nice to confirm it's completeness & accuracy but great resource
>> nonetheless. FYI...the entire Castle Island site from that date is
>> searchable through the archive.
>>
>> Cheers
>>
>>
>> Joshua Harker
>> w: www.joshharker.com
>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.joshharker.com_&d=AwMFaQ&c=SgMrq23dbjbGX6e0ZsSHgEZX6A4IAf1SO3AJ2bNrHlk&r=hQIGoYV6i5iPsBFgHMWT_LUw9AeHmUfIOLm4s1s9bvQ&m=FPm7Wu3hQr0b6BNlGVMr_OgPNzJrDQjL57KPGS0sC9k&s=HfPDQjwI3UkFEOENJtHSa9Jo2nPWinM5OMMDWJTB0zY&e=>
>> e: info_at_joshharker.com
>>
>> fb: Facebook Artist Page
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.facebook.com_pages_Joshua-2DHarker-2DArtist_195062218474&d=AwMFaQ&c=SgMrq23dbjbGX6e0ZsSHgEZX6A4IAf1SO3AJ2bNrHlk&r=hQIGoYV6i5iPsBFgHMWT_LUw9AeHmUfIOLm4s1s9bvQ&m=FPm7Wu3hQr0b6BNlGVMr_OgPNzJrDQjL57KPGS0sC9k&s=9qXL4IP1-b-V6AIinKF6peOC1dSCneG-Jvr0AAXrDKI&e=>
>>
>>
>>
>> On Wed, Dec 7, 2016 at 6:34 PM, Doug Mitchell <dmitchel_at_ymail.com> wrote:
>>
>> Sorry, no, Chuck Hull did more than the stl file format. He was the
>> inventor of Stereolithography. And Scott Crump was responsible for
>> inventing FDM. Please talk to people who have been around from the early
>> days before you make rash statements. The folks at Aries Technology of
>> Lowell, Massachusetts were also involved with the development of stl files.
>>
>> Doug Mitchell
>>
>>
>>
>> On Wed, Dec 7, 2016 at 7:00 PM, Jim McMahon
>>
>> <jim_at_layergrownmodel.com> wrote:
>>
>> Steve. You are not reading what I wrote. Without support you have no 3D
>> models
>>
>> All you get is 2.5 D models with support missing. 3D systems bought the
>> Helsinki patent in 2002. Stratasys didn't licence it till later 1990s
>> after Model maker 6Pro. Chuck invented STL files only. This is now
>> accepted by everyone. Plus STL files are not a requirement for 3D printing.
>>
>>
>>
>> On Dec 7, 2016 5:57 PM, "Steven Adler (A3DM)" <adler_at_a3dm.com> wrote:
>>
>> some of the notables
>>
>> 3D Systems ; Chuck Hull Stereo Lithography ( SLA ) 1986
>> Stratasys ; Scott Crump Fused Deposition Modeling ( FDM )1992
>> Envisiontec ; Ali Siblani - Hendrick John DLP Photopolymerization ( DLP
>> ) 1999
>>
>> *Steven Adler*
>> A3DM Technologies Corp
>> adler_at_a3dm.com
>> +1 503 250.3324 <(503)%20250-3324>
>>
>>
>>
>>
>> ------------------------------
>>
>> *From*: Jim McMahon <jim_at_layergrownmodel.com>
>> *Sent*: Wednesday, December 7, 2016 08:38 AM
>> *To*: adler_at_a3dm.com
>> *Subject*: [rp-ml] Fwd: Rapid Prototyping-3D Modelling-Additive
>> Manufacturing History
>>
>>
>>
>> ---------- Forwarded message ----------
>> From: *Jim McMahon* <jim_at_layergrownmodel.com>
>> Date: Wed, Dec 7, 2016 at 11:36 AM
>> Subject: Re: Rapid Prototyping-3D Modelling-Additive Manufacturing
>> History
>> To: Jan Andrzejewski < taikojan_at_gmail.com>
>>
>>
>>
>> Hi Jan:
>>
>>
>>
>> Not much response for such an interesting topic. I have spoken by phone
>> to two others who commented but must not know how to reply to the
>>
>> rp-ml list. Maybe they are shy. I will try to summarize what I have
>> learned so far as it related to my request for input on "The Key areas of
>> 3D Modelling"
>>
>>
>>
>> First and most importantly I need to add a new key area "Materials"
>>
>> 5. Materials are basic to achieving a 3D structure. Any technique, system
>> or process for three-dimensional fabrication of a part must have a material
>> capable to produce the model from a computer aided design (CAD) data.
>>
>>
>>
>> We are seeing many more products these days that claim they can produce
>> three-dimensional models and each one needs to be evaluated to prove it can
>> do it. Inexpensive modeler products with single material deposition
>> hardware needs to be capable of making any CAD model. If it can not do this
>> we need to classify it in a sub-group (2.5D Printer) other than a 3D
>> Printer. Today with so many CAD programs and file names this may get
>> complicated. My point here is that a 3D model printer should be able to
>> output a basic model. A basic model today is much different than it was
>> when this technology began in the early days. I am interested in the
>> history of early Rapid Prototyping machines as they were called when it
>> began.
>>
>> I will postpone classifying systems until a basic model is defined.
>>
>>
>>
>> Basic models produced on Rapid Prototyping systems must have a source of
>> data that can be machine controlled to produce parts more than once with
>> the data without manual interruption. Start up the system, load a file and
>> make it. Simple. Then repeat the same process again with the same data on
>> the same machine and do it again. The data must be produced from any source
>> including a CAD program or any file generated by some means that will be in
>> a form to be sent to a Rapid Prototyping Systems. Do we all agree with
>> this? The model must be something other than a 2.5 Dimensional model, ie.,
>> it must be as defined by the file data and include features normally seen
>> in objects - overhangs are included in this data and hollows should be
>> included. Three-Dimensional models were defined long before they were
>> machine made from file data.
>>
>>
>>
>> Now it is time to look at the history of 3D model making machines. Guess
>> what? The technology is not as old as we think. This leads to who has
>> defined this technology. If computers, X,Y plotters, 2D printers and
>> three-dimensional shapes have been defined before Rapid Prototyping
>> Systems came along then these terms should be recognized and accepted. All
>> we need to do is find the Rapid Prototyping System that can fabricate a
>> model from data in a file and do it without human intervention.
>>
>>
>>
>> Please send the names of RP Systems that do this with the dates of first
>> use. A system capable of doing this should be in museum to prove it really
>> exists. There are two historical 3D museums I know about. 3DPmuseum and the
>> planned museum 3Dinkjetmuseum.
>>
>> The first names I will add to the Rapid Prototyping Systems historical
>> list: Please add yours.
>>
>> 1. Sanders Prototype, Inc., Wilton, NH Modelmaker 6 Pro February 1994 (
>> Production and sold units)
>>
>> 2. Visual Impact Corporation, Windham, NH The Sculptor, Approx date 1990
>> (Prototype printer for Helinski Patent -never produced)
>>
>> 3. Ballistic Particle Manufacturing, Greenville, S.C. Personal Modeler,
>> September 1994 (Production and sold units)
>>
>>
>>
>>
>>
>> On Sat, Dec 3, 2016 at 3:25 PM, Jim McMahon <jim_at_layergrownmodel.com>
>> wrote:
>>
>> Jan:
>>
>>
>>
>> Glad to have someone like you with the interest in 3D modeling history
>> contributing.
>>
>>
>>
>> My introduction was a bit lengthy and it should be summarized to simplify
>> it.
>>
>>
>>
>> This subject with it's many names (please add Three-Dimensional Printing
>> or reproduction to the list) goes back much earlier than the popular
>> reference to the current father of 3D printing, Charles Hull in 1984. My
>> goal here was to take time now after 30+ years and review the history
>> again. This should be done with today's definition of 3D modeling. I
>> contend that many 3D model printers made today are lacking some details of
>> the current definition of a 3D printer. A reproduced CAD model is defined
>> precisely from a CAD program. The desired model also is assumed to have
>> materials consistent with a usable part with dimensions comparable to a
>> manufactured part. I see stories of automobile engines 3D printed and I
>> know surface finishes, material composition and threaded holes can never be
>> made with a 3D printer even today. Back up to the first 3D printer in 1984
>> and you will see it has many functions that are accepted in 3D printers
>> (support structures under overhangs) did not exist until the first inkjet
>> printer with 2 materials was manufactured in 1994.
>>
>>
>>
>> My first goal is to first identify the things that are fundamental
>> components of a 3D printer.
>>
>> This should be relatively simple since everyone today has a good grasp of
>> the concepts of a 3D printer in contrast to when people defined in the
>> 1980's.
>>
>>
>>
>> Please help us make the list. It can be done one at a time with
>> discussion or all at once and then have a discussion.
>>
>>
>>
>> Looking forward to your comments.
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> On Fri, Dec 2, 2016 at 5:34 AM, Jan Andrzejewski <taikojan_at_gmail.com>
>> wrote:
>>
>> This is also very interesting to me and will help in any way that I can.
>>
>>
>> It is very strange to me that 3D Systems left their wax printer
>> (Thermojet) a while before coming into the market?
>>
>> Did they have to wait for a patent to end?
>>
>> There is a lot of Research & Development work that never got
>> commercialised and yet ground breaking.
>> I think James is right and the Military organisations R&D work may have
>> paved the way.
>>
>>
>> Castle Island did have a database of RP patents, I never found the time
>> then to search all the way through but if it is still available I would
>> gladly spend a bit of time doing this now.
>>
>>
>> Some of my searches have disproved claims of being first by some bureaus
>> and I'm sure that things that are on my website will need updating, when
>> documented information comes to light. I may just go through and remove the
>> word "First" with a more suitable comment?
>>
>> I'm willing to work with James on this and I'm looking at what I have
>> collected and be able to share with his Museum project. (watch this space,
>> folks)
>>
>>
>>
>> Jan Andrzejewski
>>
>> Curator
>>
>> 3DPmuseum.com
>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__3DPmuseum.com&d=AwMFaQ&c=SgMrq23dbjbGX6e0ZsSHgEZX6A4IAf1SO3AJ2bNrHlk&r=hQIGoYV6i5iPsBFgHMWT_LUw9AeHmUfIOLm4s1s9bvQ&m=FPm7Wu3hQr0b6BNlGVMr_OgPNzJrDQjL57KPGS0sC9k&s=_pCBJaBkufQG2tTG5caeUQVmGjNXE-0TbqDiJlkvfQw&e=>
>>
>> Facebook
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.facebook.com_3DPmuseum_&d=AwMFaQ&c=SgMrq23dbjbGX6e0ZsSHgEZX6A4IAf1SO3AJ2bNrHlk&r=hQIGoYV6i5iPsBFgHMWT_LUw9AeHmUfIOLm4s1s9bvQ&m=FPm7Wu3hQr0b6BNlGVMr_OgPNzJrDQjL57KPGS0sC9k&s=jZ5chq7x4ZlLkwwgzo5ZmgqfwE-AqesjDv-xBoI8vaY&e=>
>>
>>
>> Pinterest
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__uk.pinterest.com_craftymachines_3d-2Dprinting-2Dmuseum_&d=AwMFaQ&c=SgMrq23dbjbGX6e0ZsSHgEZX6A4IAf1SO3AJ2bNrHlk&r=hQIGoYV6i5iPsBFgHMWT_LUw9AeHmUfIOLm4s1s9bvQ&m=FPm7Wu3hQr0b6BNlGVMr_OgPNzJrDQjL57KPGS0sC9k&s=inLdS1knlnisTDs6MVKOuzWUH-cLKbXOrUoy6uHIFUQ&e=>
>>
>>
>>
>> On 1 December 2016 at 19:21, Jim McMahon <jim_at_layergrownmodel.com>
>> wrote:
>>
>> Dear Rp-Ml members:
>>
>>
>>
>> I was thinking this group is a great source for unbiased information
>> about the origins of Rapid Prototyping. I am doing research for a future 3D
>> inkjet Museum that will someday open in a city in the USA. Currently it
>> exists as a collection of inkjet information and early printers that form a
>> history of 3D modelling. Inkjet printing is the technology that has the
>> most historical information to show the origins of print layer build up and
>> is one example of the first successes in printing accurate thermoplastic
>> models with an overhang supported by an easily removed wax material.
>>
>>
>>
>> The 3D Modelling technology has been shown to print 100% supported models
>> from both facet and sliced model Cad data originating with imported DXF,
>> OBJ, SLC, HPGL and STL files. Actually, I think the earliest examples of
>> pre-3D models were slice (SLC) files or 2D single layer files added on top
>> of previous layers. (I have this early printer in my collection. Text and
>> numerical characters were printed on top of each other quite by accident to
>> make relief characters.) A true 3D printer as we know it today does this
>> automatically with support for overhangs. 3D Modelling has requirements and
>> most people know them today. My research is to get more information on the
>> earliest sightings of these basic 3D Modelling components. This will
>> include earliest dates, places and people who may have discovered or
>> invented these things first. Together the information will point to the
>> first "complete" 3D Modelling product that produced accurate and usable
>> models for customers. The date of this complete product may surprise all of
>> us. I want to see if this group can help point to it.
>>
>>
>>
>> 4 Key areas of this 3D Modelling search include:
>>
>> 1. Early CAD file invention dates. (Virtually all CAD file formats were
>> used in the earliest 3D Modeling System) Which format was invented first?
>> Was it used first in a 3D Modelling System? Who invented it? Then which
>> format was first used in a "complete" 3D printing systems as we know it
>> today?
>>
>> 2. Use of support material to produce a RP models. Date of first use,
>> where and by whom? Is there a Patent?
>>
>> 3. A material deposition system with controlled position mechanics and
>> numerical control for a 3D Modelling system. (Hint, could it be the AT&T,
>> Teletype Division's Inktronic Data wax printer used in the Navy starting
>> around 1966?)
>>
>> 4. A mechanism to advance the build surface in precise steps using
>> numerical control for an Additive Manufacturing System. (You can easily
>> look up the subtractive machining tool dates)
>>
>> (Note: Names of 3D printing are interchangeable - try to ignore the
>> confusion)
>>
>> (Note: Materials are evolving all the time and are not shown here but all
>> can be considered for making 3D models using a numerical controlled system)
>>
>>
>>
>> I will respond to all inputs and summarize the date for all as it
>> evolves. The collection is available to be seen by appointment. The BPM
>> Personal Modeler was just added recently.
>>
>>
>>
>> Thank you
>>
>> James K McMahon
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
Received on Fri Dec 09 2016 - 03:35:22 EET

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