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Date: Mon, 3 Apr 2017 05:24:21 +0200 (CEST)
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To: "Dave McGuire (mcguire AT neurotica DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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From: gedau AT igor2 DOT repo DOT hu
Subject: Re: [geda-user] QFN64 footprint?
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On Mon, 3 Apr 2017, gedau AT igor2 DOT repo DOT hu wrote:

> Hi Dave,
>
> On Sun, 2 Apr 2017, Dave McGuire (mcguire AT neurotica DOT com) [via 
> geda-user AT delorie DOT com] wrote:
>
>>
>>  Hey folks.  Before I start either tedious drawing or tedious googling 
>> around for footprint generators, has anyone done up a footprint for a 0.5mm 
>> pitch 64-pad QFN, 9mm outer dimension?  If someone has one handy it would 
>> make this day a whole lot nicer. :)
>> 
>
> In pcb-rnd, you can use the qfp() parametric footprint which requires exactly 
> those 3 main parameters that you listed:
>
> qfp(64,9x9,0.5)

Oops, I meant qfn(64,9x9,0.5)

(But other than the typo everyrhing is the same anyway. You cna have a 
thermal/central pad with an extra argument at the end for its size in mm).