Hunter Douglas Duette® Architella® Honeycomb Shades The Architella® Collection from Duette® honeycomb shades employs a unique, state-of-the-art patented design with three distinct air pockets for enhanced form and function. The innovative honeycomb-within-a-honeycomb construction means that colors are truer, pleats are crisper and energy efficiency is dramatically increased. Spectrum Window Design will help you select the right honeycomb shade: Duette, Architella, Applause, Portrait.