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gEDA-bug: [Bug 698827] Re: When PCB layout is ready, to show the PCB as 3D model

That' s true. Solid models usually come in STEP. I successfully used this kind of models for some of my projects.
Every half way decent 3D CAD application can import/export STEP. Even freecad can, although it still has a long way to go until it is a full fledged 3D CAD design suite. BTW, there was a kicad discussion on the freecad forum.
 http://sourceforge.net/apps/phpbb/free-cad/viewtopic.php?f=8&t=592
Bottom line: VRML was a show stopper.

Back on topic: Export as STEP would be best with regard to 3D CAD. But it also is such a pain license wise and for practical coding, that even the powerful blender project did not produce an import utility.  
http://wiki.blender.org/index.php/Dev:Ref/File_Formats
I was curious how STEP format is actually composed. But it seems to be a well kept secret. At least google search failed on me. 

IMHO, a realistic way to go is an export/import to a FOSS 3D CAD format. That way, geda can have it all:
1) A two-way link to the mechanical engineering world.
2) A straight forward way to beautiful images -- via scripted import/export to blender format
3) Stay untainted on the license side.

---<)kaimartin(>---

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https://bugs.launchpad.net/bugs/698827

Title:
  When PCB layout is ready, to show the PCB as 3D model

Status in GPL Electronic Design Automation tools:
  New
Status in PCB: Printed Circuit Board CAD package:
  New

Bug description:
  In xgsch2pcb I wish to have an option to show the PCB in 3D model when
  it is accomplished in pcb tool.

  I think that there is a possibility to write a script that should to
  make an output file for the BRL-CAD free modelling system.

  From xgsch2pcb one would to have a possibility to run that script and
  that script make an output file and on that file should to run mged
  (BRL-CAD).

  The BRL-CAD should then show the PCB as 3D modell.

  This is only my idea, but what do you think about it?

  --
  Regards, Paul Csanyi




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