DIY Acoustic Diffuser Kits - Check out these "Air Transparent" 1D diffusers, Im thankful I could help make them happen!! A combination absorber/diffuser! I cut + you glue = Affordable diffusion!!! Custom
Make This Skyline Diffuser / Wall Art - YouTube
Acoustic Diffuser - QD-23 - Acoustic Treatment
A super easy, super cheap, DIY, wooden, decent looking, sound diffuser design. | HiFiCircuit
Made these skyline diffuser panels. Would they make a difference? : r/audiophile