kicad-developers team mailing list archive

[Clemens Koller <cko@xxxxxxxxx>]

Hello, Mario!

My primary focus is not yet on 3D view, but definitely in more complex
pad shapes which are AFAICT not easy to create (automatically) in kicad.

What I would love to see are next to oblong pad shapes also
rounded rectangular ones as shown here in 0402 (1608metric)
capacitors and resistors:

http://imgur.com/a/YfNvL

The reason to round corners in these cases are primarily to
improve soldering under nitrogen atmosphere (reduce tombstoning)
and to reduce the no. of. cleaning cycles of the solder paste
stencils.

I will be glad to test that code and get these designs imported
to Kicad!

Regards,

Clemens

On 2016-01-09 15:19, Mário Luzeiro wrote:
> Hello all,
> 
> Related with the 3d-viewer refactoring,
> how is kicad handling this (subject) cases and how it should be represented?
> 
> The question is, what is supported and should be correct represented and what is not supported and should be... correct represented.
> 
> So, For example, if we do a t-shap castellated with segment pads, should the slot be subtracted or should 3d-viewer draw the two pads to user will know that there is something wrong there and will not be mistaked?
> 
> http://www.hitech.com.mk/Resources/Images//PCB/Tech/t-14.JPG
> http://i.stack.imgur.com/qyvAX.jpg
> 
> Another case:
> 
> If a user make a plated hole but it is cut half by a cut-outline (a hole) how should it be represented?
> Should I draw the plated hole, or should I subtract the cut-outline to it?
> https://kicad-info.s3.amazonaws.com/286e33b6746414c43e274332cae0bb34de1693c4afb.jpg
> 
> 
> IMO, if it is allowed and the way to manufacture it, then I should make the "Boolean operations".
> If that is not allowed and not possible to manufacture. then I should not "make any operations" and show it as-is.
> 
> So user will see in 3d-viewer that it does not look good:
> http://i.stack.imgur.com/OwZaI.png
> 
> 
> Also, what are the things you have in mind in future to support this cases (i.e.: is there anything I can do so it will work in future?)
> 
> Thanks all!
> Mario Luzeiro
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