Re: gEDA-user: General Layers questions

[Martin Kupec <martin.kupec@xxxxxxxxx>]

On Tue, Feb 15, 2011 at 10:22:16AM -0600, Andrew Miner wrote:
>      > I am not shure if it is possible to have non-circular drill holes
>      in
>      > gerber files. We can have the "pad" around the hole be of any
>      shape,
>      > but the hole itself probably needs to be circular.
>      We can have any shape hole we want, if we export it as a gerber file
>      instead of an excellon file.  However, that doesn't mean the fab
>      will
>      manufacture it.
> 
>    DJ is right in wanting to output arbitrary shapes for holes.
>    In Flex boards you can:
>         *Mechanically drill them, resulting in circular holes
>         *Mechanically route them, resulting in slots
>         *Mechanically punch them (in a press), resulting in squares,
>    circles, ovals, and other reasonable shapes.
>         *Laser drill them, resulting in any shape you can think of
>    More than one of these are available for hard boards as well,
>    especially the thinner hard boards.

Acknowleadged. When I touch anything with holes, I will keep that
in mind.

	Martin



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