Laurie Biddulph wrote:

> This would depend upon your board requirements. [...] I am sure there are
> workarounds for all of this but at the end of the day I have just got
> into the habit of creating a board outline, jumping to the Keepout layer
> and tracking inside the board out line. I then find it relatively easy
> to start tweaking the keepout line. This would be only marginally
> complicated with your approach in that you would have to probably start
> adjusting the `fatness' as well. 

Exactly... I find that board outline and keepout layer have some
relationship, but are not the same in many boards. So instead of relying on
"tricks" to make one fit the other, I just use separate layers. There are
enough mechanical layers to be able to spare one for the board outline :)
This way the keepout layer can be set according to the requirements,
independently of the board outline. I also find it easier to work with a
very small track width on both, so that the track locations match the
requirement locations (without having to add the track width in my mind).

Gerhard

 
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