CAD conversion and editing

Lothar Behrens lothar.behrens at
Wed Sep 24 16:58:59 CEST 2008


I have converted as much as possible from the CAD files into BRLCAD  

Propably I have forgotten to tell Michael Shiloh where the converted  
files are.
(As of I had eMail contact to him)

Also I am not much familar with the BRL CAD and I also could not compare
the files to their orginal versions.

Where could I put the tgz file that contains all the others (~ 16 MB) ?

The file also contains a script. (How I have converted the igs files)



Am 24.09.2008 um 16:09 schrieb Claus Christmann:

> Please see inline and below...
> On Wednesday 24 September 2008 08:59:12 am Breakable wrote:
>> Hi,
>> Anybody got any success for editing CAD files for the phone case?
>> Basically I am trying to get them open in brlcad (which seems to be  
>> the
>> best free CAD software ever),
>> without any success yet.
>> I had some success in VariCad demo (proprietary) where parts of the  
>> design
>> are imported using STEP format, but it does not seem good enough,  
>> as I see
>> about 50% of the shapes usually.
>> IGES on the other hand seems like a total dissaster.
> The IGES files I created seemed to work in Pro/E and CATIA V5. Can  
> you figure
> out if the files are corrupted or if it is a non-working import  
> filter in
> brlcad that does not work?
> Have you tried opening a single file and not the complete assembly?
>> The only solution I currently see is buying or pirating the Pro/ 
>> edit or convert them  to brlcad .g format using the Pro/E to BRLCAD
>> converter plugin for Pro/ENGINEER from the brlcad suite. Buying or  
>> pirating
>> for this task is not the option I like.
>> Anybody that has a  Pro/ENGINEER license can assist with that?
>> There is a nice description how to do it in
>> in section 4.9 page 27 of pdf.
> I have access to a Pro/E licencense and can look into that. However,  
> it won't
> happen till the weekend...
>> After this is done properly, maybe the BRLCAD to DXF converter can  
>> be used
>> to
>> improve accessibility of design files for those that have AutoCad.
> DXF is essentially a 2D format. Since there is no conversion from 3D  
> to 2D
> that does not lose information, a "usefull" conversion heavily  
> depends on the
> need of the user of those 2D DXF files.
> IF the list could agree on a limited number of planes/slices through  
> the 3D
> model I might be willing to put the time into creating them.
>> If this issue wont be resolved I don't believe a community effort  
>> to build
>> on the openness
>> of the device will ever succeed.
>> Regards,
>> Ignas
> As said above, I will look into this brlcad over the weekend and  
> look into the
> conversion of the files into the appropriate format. However, I  
> can't promise
> anything... (BTW, I have never heard of brlcad, but I also hardly use
> anything else than CATIA these days...)
> Regards,
> Claus
> -- 
> Claus Christmann
> Graduate Research Assistant
> Georgia Institute of Technology
> 270 Ferst Drive
> Atlanta, GA 30332-0150, USA
> _______________________________________________
> Openmoko community mailing list
> community at

-- | Rapid Prototyping | XSLT Codegeneration |
Lothar Behrens
Heinrich-Scheufelen-Platz 2
73252 Lenningen

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