Fentek just uses Signature Plastics.
Buy a set of these and she will forgive me.
Show Image
(http://farm6.static.flickr.com/5266/5644806008_59b8e95451_z.jpg)
We use several vendors, as well as our own in-house tooling and printing. Sometimes it is just faster to farm out a job than recreate it ;)
Later...............
I think this counts as an auto-win
Show Image
(http://geekhack.org/attachment.php?attachmentid=7612&d=1264864120)
IBM beam-spring, I presume.
I did have some vintage Cherry keys that were twice as thick as DS Cherry MX keys, and twice as high, but I gave them away and don't have a good photo.