Add Quanum Trifecta Xiaomi Yi link

input/stuff.md

@@ -31,4 +31,5 @@ for p in mpages:
 * [Simple Customizable Fan Feet](http://www.thingiverse.com/thing:1465392)
 * [Simple Customizable Thumb Screw Rosettes](http://www.thingiverse.com/thing:1531544)
 * [Replacement Abus Smoke Detector Holder](http://www.thingiverse.com/thing:1534421)
+* [Xiaomi Yi frame for Quanum Trifecta](http://www.thingiverse.com/thing:1563684)