Haven't had a chance to use yet but I can see it will be perfect to showcase a triptych which is definitely one of my favourite ways to display my work .Plus I like the fact it is so simple with not too many distractions as some mock-ups have .
Photo Booth Templates: Modern Minimalist Collection
Multiple Frames Mockup (006)
Photo Booth Marketing Trifold
Multiple Frames Mockup (008)
Client Experience Card