Please note all ies and ldt files for Gimbal Mini are for an individual LED element.

So for twin or triple Focus Gimbal Midi fittings, select your LED element(s) from the photometric files in these folders and place in your lighting software at 98mm centres to replicate the spacing for a Focus Multi fixture.
216/2-LED = 2 elements.
316/2-LEd = 3 elements.