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Mail Archives: geda-user/2013/06/16/22:27:50

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Date: Sun, 16 Jun 2013 22:27:15 -0400
Message-ID: <CAM2RGhRhZx93+0M=3bydr5dQKsM5jU_F+dU-ZS8pciVM+3uTFA@mail.gmail.com>
Subject: Re: [geda-user] 3D modelling and gEDA
From: Evan Foss <evanfoss AT gmail DOT com>
To: geda-user AT delorie DOT com
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I think Dave Curtis has hit the important point. I don't know that I
agree with the eye candy part but having 3D export is more useful than
modeling in PCB.

3D export expands the toolchain to other things like modeling and
physics simulation.

On Sun, Jun 16, 2013 at 8:03 PM, Dave Curtis <davecurtis AT sonic DOT net> wrote:
> On 06/16/2013 04:40 PM, Kai-Martin Knaak wrote:
>>
>> Peter Clifton <pcjc2 AT cam DOT ac DOT uk> schrieb am 16. June 2013:
>>
>>> My most recent thoughts on 3D + PCB + CAD, was to offload to a separate
>>> process, which is non GPL (e.g. GPL/LGPL + exception for Opencascade),
>>> and use that process to convert "real" 3D cad files into a triangulated
>>> (BOT) like format for easier consumption and rendering on screen.
>>
>> Inclusion of 3D handling and rendering in pcb would require huge
>> efforts to get it right. Essentially, you'd start half a 3D mechanical
>> CAD application from scratch. There is a reason why the open source
>> world is not exactly abundant with 3D CAD. Why not refer this task to a
>> separate, specialized application -- just like it is done with
>> gerbv for viewing gerber files?
>>
>> My personal favourite for this is freecad --> See my other mail.
>>
>> ---<)kaimartin(>---
>
> I'd go even farther... there really isn't much point in a 3D rendering of a
> PCB by itself -- that is just eye candy for posting in your blog.  But...
> being able to import a model of an PCB into your mechanical design as a
> part, now *that* has value.   What I'm interested in is getting the screw
> hols in the right place, making sure that the big 'lytic caps don't bonk
> into a rib or strut, and make sure that the heat sinks actually *do* end up
> in the air flow.
>
> -dave
>
>



-- 
Home
http://evanfoss.googlepages.com/
Work
http://forge.abcd.harvard.edu/gf/project/epl_engineering/wiki/

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