mid century modern colorful half circles seamless pattern in orange, red, blue and green on black background

mid century pattern circle orange red green blue seamless modern black retro art 50s 70s 60s circles geometric mod minimalist minimal mosaic optic illusion geometry wallpaper 1960s 1970s semicircle vintage mcm wrapping paper textile dacopy cor decorative decoration classic old shape abstract print ornament fabric texture background backdrop fashion traditional mid-century half-circles