Since my name was mentioned (orz), I might as well contribute to this thread and share stuff from my collection:
A Betrayers styled Hayate from Kiseki Himura I requested during last winter comiket.
An adult Fate from Kanna, another request but from Japan Expo this time (and I have to thank Klashikari who made the request for me since I wasn't physically there)
Sorry about low-res, I usually try to avoid posting HQ/HR pictures of that kind of stuff on a public place (partly out of respect for the artist).
Of course a big thanks to Kiseki Himura and Kanna from Plum, they're really great people.
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The correct ratio is 4:1:2.5, the 4 being the length of the skirt, the 1 being Zettai Ryouiki and the 2,5 being the length of sock above the knee.