This are my Ideas of housings for the well-known Smart-LCD Controller. It fits on a standard Kossel with a 3 x 15 mm frame-base.
The Versions V2.x are a little bit higher than the top-most beam on an Kossel-Mini. This is intended to be so. Design, you know? :-)

NOTE: I've noticed that there are significant tollerances concerning the placement of the buzzer on the SmartLCD board. On the two boards I'm currently working with, the buzzers are 4mm - 5mm off alignment. Therefore I made the hole for the buzzer a bit larger than the buzzer's actual diameter.
Oh - and don't forget the knob. ;-)