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From: Kai-Martin Knaak <kmk AT familieknaak DOT de>
Subject: Re: [geda-user] LP699502-openscad-exporter
Date: Wed, 26 Jun 2013 02:35:30 +0200
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Bert Timmerman wrote:

> Now this exporter lives in a topic branch in the main pcb repo

Yay!!!


> The maximum length and maximum width dimensions of the board are
> used regardless the information in the outline layer.

Ok, there is room for improvement :-) From work flow perspective, a 3D 
representation of the board asgiven in the outline layer is more 
import than population with components. 


> The height of the parts is not generated from footprints, pcb has no
> knowledge of that, pcb doesn't even know the board thickness.


> You have to specify board thickness in the exporter pop-up dialog
> window, the dialog gives a default value (in mil/100 or mm) which
> can be altered.

This should go into an attribute in the preamble of the *.pcb file.


> Patches, comments and all other forms of feedback are welcome.

My comment:   :-)) 

 
> The parts on the pcb themselves are to be created by the user (IMHO
> content is the user's responsibility,

I'd say, the default install should at least contain a reasonable 
library of models to get a newbie started. Models should be high 
quality, so they can serve as a pattern for more.
Of course, the same reasoning applies to footprints and symbols. IMHO, 
the rather large default library is a strong selling point in favor of 
eagle. Unfortunately, geda is not particularily strong at this aspect. 
The default set of geda symbols is (intentionly) not ready for use. 

Shameless plug: 
I am still working on a library of symbols and footprints that 
complies with the above requirements -- the "essential" library.
If the openscad exporter turns out to be usable, I will add 3D models 
to the essential footprints.

---<)kaimartin(>---
-- 
Kai-Martin Knaak