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-- Cut here -- From: John Dalton <[EMAIL PROTECTED]> Hi all, I'm thinking it might be a fun thing to write a subroutine to generate PCB footprints for different packages. Eg. Given the string "SOP127X780-16N" the subroutine will return two SVG documents, corresponding to the solder mask and copper for a 1.27mm 16 pin SOP package. I gather the IPC-SM-782A standard also includes a set of equations and design rules to design lands given package dimensions. Maybe it will be possible to encapsulate these design rules into the subroutine so it can generate footprints for arbitrary packages? Is this a thing worth doing? Does a piece of free software already exist to do this? If I'm going to do this, I'll need access to a copy of IPC-SM-782A (with amendments 1+2). Does anyone have a copy of this standard? If so, it is it simple to summarise the design rules into an email? (Or if you live in Sydney, Australia, can I drop by and read it?) Regards John
