mid century half circles and retro starbursts seamless pattern on squares in red, orange, burgundy and yellow.

mid century pattern circle stars seamless starbursts red atomic orange yellow retro square 70s 60s 50s circles modern backgrounds mod geometric optical art burgundy wallpaper vintage illusion squares semicircle symmetry symmetrical mcm wrapping paper textile home daacopy cor fabric decorative decoration classic old shape abstract print poster geometry texture design mid-century