See similar designs in my midcentury modern collection: https://www.spoonflower.com/fabric/8924615-midc-plateau-navy-cyan-by-wren_leyland (same design, different sizes) https://www.spoonflower.com/fabric/5994875-midcentury-plateau-cobalt-vertical-by-wren_leyland (simpler design, lighter colors)
All Products formid-mod-plateau_navy-cyan 224wall
bywren_leyland
Wallpaper
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Living & Decor
Fabric
About the Design
Waves and stripes, mod shapes and midcentury brights in cobalt and sky blue, aqua, and grey.