A model of UCLA's Royce Hall.

I've included the two models of Royce keychains that I personally printed (and are pictured in the photo); that being said, they may be a bit big as regular keychains. As such, it may be worth making your own rather than using the two STLs provided.

TinkerCAD link for keychains: https://www.tinkercad.com/things/1asyekXwN6B-royce-hall-ucla