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

[Bert Timmerman <698827@xxxxxxxxxxxxxxxxxx>]

Blender seems to support the OpenCascade file format in some way, as
advertised in the link:

http://wiki.blender.org/index.php/Dev:Ref/File_Formats

There is an app called OpenSCAD which is based on OpenCascade.

The file format op OpenSCAD is a subset of the C-labguage, easy to grasp
and straightforward and describes primitives, not faces or vertices
(similar to VRML, which is lower in the "food chain").

Furthermore the OpenSCAD C-language supports macros and functions as to
allow for parametric use of 3D-models (one only needs to create a
prototype part once, and then inherit from that prototype for other
sized parts of the same shape).

This would lead to a (feasible) workflow like:

pcb --> OpenSCAD --> Blender

which may be scriptable to some extent (Makefile).

OpenSCAD has the feature of being able to extrude closed polyline shapes
(lines, arcs, circles), and thus create a pcb board from an outline in a
DXF file (drawn with Qcad or similar),

Exporting from OpenSCAD to a stl format (standard Lithography) for
creating mock ups with a plastruder/replicator is possible as well.

Please have a look at:

http://www.openscad.org/

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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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