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Computer Design/Drafting/Graphics


#1

For what it’s worth…I, too, am using Autocad Release 12,
doing (and learning) drafting and computer graphics as an
addition to sculpture and livlihood. A new and interesting
tool. And a very long road indeed.

We touched briefly on stereo lithography in school. Only
know of its industrial use to date, partly due to the
extreme expense. Large part of that would be drafting the
idea, which would include the language for the mechanics.
(CAD/CAM). Could do that yourself to save money. What you get
in the end is a prototype or model made from a rubber-like
(photopolymer) material…a “rubber” stamp is made from a
photopolymer material (light sensitive). Lasers shoot light
into a vat of this material according to your instructions
on disc. Various tests can be done on your model, appropriate
changes made on disk and new model manufactured. Benefit to
industry is expediency. Profits to offset cost come from mass
production of the final prototype. Only know of smaller proto-
types being made which have particular problems, e.g., with
aerodynamics or with having very close tolerances. Pretty
amazing stuff.

Susan


#2

Hi Gang–

Also, FWIW, I have been using CAD/CAM systems since there was such a
thing. I was using a package developed at Lawrence Livermore National
Laboratory, back in the 70’s on a Tektronix 4051. Real clunky! I
have used Pro-Engineer which is real sweet, but is probably a bit
pricey for most small businesses at something like $18k per seat. I
AM an AutoCad user, but find that since this is basically a 2-D
software with patches to make it 3-D functional, pretty clunky too.
Acad is also, IMHO, not very intuitive. What I use in my other life
is Cadkey. The reasons are that, it always has been a 3-D software,
it is much more intuitive than Acad, it costs less than 1/3 of what
Acad costs, and comes with a simple rendering software too. Oh yeah,
Cadkey will also import and export Acad format drawings if you want to
share your work with someone else that is stuck with Acad. It works
for me!

Jim Simmons, Production Engineer
Medic Alert


#3

Since I began tinkering with CAD for jewelry, I’ve looked out on the Net
for libraries of jewelry-related 3D object files which I could import
into my own work. So far, I haven’t found any. Three questions:

  1. Does anyone know the URLs of any such collections?

  2. Would anyone like to participate in creating some?

  3. Wouldn’t it be wonderful if all the items in the Stuller catalog were
    available like this? :slight_smile:

Keep in mind that I’m talking about objects which are specifically
jewelry, or pieces thereof: mountings, pendants, &c.

DXF format would be nice; not only is it importible by ProtoCAD–which I’m
using–and by AutoCAD, but it is also pure ASCII, which should give it the
maximum flexibility for the largest number of users.

Any further thoughts & info along these lines would be welcome.

Joel Kahn <@Joel_Kahn>
Comptroller for Maxon’s Jewelers
Diamond Merchants & Estate Jewelers
Authorized Dealer for Rolex & Tag Heuer
2622 S Glenstone, Springfield Missouri 65804 USA
Voice: 417-887-1800 or 417-887-1809
Fax: 417-887-3422


#4

Joel,

Looking arouund last night in, Shareware.com, searched on CAD and 3-d.
Found a product … sorry don’t have the name with me something like P10…
used a simple search. Intend to look at it after I play with protoCAD

Jim

At 07:53 AM 9/20/96 -0500, you wrote:


#5

How bout Meta-file graphics as per MS '95. . could select parts of several
items as bring them together…

Jim

At 07:53 AM 9/20/96 -0500, you wrote:


#6

Looking around last night in, Shareware.com, searched on CAD and 3-d.
Found a product … sorry don’t have the name with me something like
P10… used a simple search. Intend to look at it after I play with
protoCAD

The file is pcad10.zip, I just U/Led it to the Ganoksin site. It is
a basic and easy to use CAD (for Win.x). For those interested in d/l
it, just point your browser directly to:

                http://www.ganoksin.com/software/pcad10.zip

And Joel asked:

Since I began tinkering with CAD for jewelry, I’ve
looked out on the Net for libraries of jewelry-related 3D object
files which I could import into my own work. So far, I haven’t
found any. Three questions:

  1. Does anyone know the URLs of any such collections?
  2. Would anyone like to participate in creating some?

Yes! I will be happy to build such a collection. But I will need the help
of each one of you! Surf the Net and let us know what you found, I
will check the and will u/l it to Ganoksin.

In a week or so, We are about to open a BBS like system in Ganoksin
(The Gem and Jewelry Master Board) which will include a “Software
discussions” forum.

So, Lets do it!

Best

Dr. E. Aspler
Managing Director
Ganoksin Jewelry Co.,Ltd.
aspler@ganoksin.com


#7

TO: Joel Kahn, INTERNET:jkahn01@mail.orion.org

Re: Re: Computer Design/Drafting/Graphics

Hi Joel,

On 9/20, you said:

"Since I began tinkering with CAD for jewelry, I’ve looked out on the Net
for libraries of jewelry-related 3D object files which I could import
into my own work. So far, I haven’t found any. Three questions:

  1. Does anyone know the URLs of any such collections?

  2. Would anyone like to participate in creating some?

  3. Wouldn’t it be wonderful if all the items in the Stuller catalog were
    available like this? :slight_smile:

Keep in mind that I’m talking about objects which are specifically
jewelry, or pieces thereof: mountings, pendants, &c.

DXF format would be nice; not only is it importible by ProtoCAD–which I’m
using–and by AutoCAD, but it is also pure ASCII, which should give it the
maximum flexibility for the largest number of users.

Any further thoughts & info along these lines would be welcome.

Joel Kahn jkahn01@mail.orion.org"

I agree, it would be nice if there were files of cad importable jewelry designs
on the Internet.

It seems to me though, that one of the most difficult things for most folks is
coming up with the design (1% inspiration 99% prespiration). I don’t know if
I’d sweat over a design, enter it in cad & then turn it out to the world for
free. At least if someone wants to copy a design the designer should be able to
sell the plagerizer 1 of the originals. I’m sure most mfgrs wouldn’t like to see
their designs on the net; they’d probably like to see evryone else’s though.

Maybe we could take some public domain or unprotected stuff & enter it via cad
as part of the cad learning process. That way we could concentrate on learning
how our cad program operates without having to worry about the design as well.
This could, in time provide a library of assorted designs to use as a starting
point for other designs.

OK folks, you’ve heard mine, now let’s hear your 2 cents worth.

Dave Arens G.G.


#8

Dave Arens raised some valid points: most designers are not going to
want to share completed, detailed, ready-to-sell designs with the world at
large. I think I need to explain what I had in mind more clearly.

The reason I mentioned the Stuller catalog is because most of the items
that Stuller sells are not ready to retail–they are parts which will
have things added on &/or modified to make a finished product. Same with
the 3D CAD “templates” I’m thinking about. There are lots of empty ring
mountings (& pendants, bracelets, &c) which can either have stones mounted
in more than one way, or which can have their structure changed with a
reasonable amount of work. This is the area where I believe object
libraries would be very handy, & where jewelry designers on the Net could
gain more by cooperation than by secrecy.

I’m looking forward to seeing how all this develops.

Joel Kahn <@Joel_Kahn>
Comptroller for Maxon’s Jewelers
Diamond Merchants & Estate Jewelers
Authorized Dealer for Rolex & Tag Heuer
2622 S Glenstone, Springfield Missouri 65804 USA
Voice: 417-887-1800 or 417-887-1809
Fax: 417-887-3422


#9

This is the area where I believe object
libraries would be very handy, & where jewelry designers on the Net could
gain more by cooperation than by secrecy.

I’m looking forward to seeing how all this develops.

Absolutely. The people I work with require good drawings and usually wax
models even when I am frbricating the product from metal. It would be of
great advantage for large manufacturers to build software catalogues to
build out 3D models to show their products set up the the customers stones.

Bruce D. Holmgrain
E-mail: Manmountaindense@Knight-Hub.com
WWW: http://www.knight-hub.com/manmtndense/bhh3.htm
Snail Mail: POB 7972, McLean, VA 22106