Tomas Larsson wrote:
> Imperial is a pain in the arse, when it comes to PCB design.
> It seems that most editors has imperial units as base units in the
> database, and that creates round-off problem when working in metric.
> Since most Chip manufacturers is moving from imperial to metric it
> creates a problem.

All CAD where I've looked into this use an integer representation that is a
sub-multiple of both mm and mil.


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