50s 60s 70s retro style fancy seamless pattern trend dotwork abstract background

1960s 1970s 1950s 70s fancy 50s 60s monochrome repeat dot halftone gradient classy stylish textile ornament round wrapping neat oval tone ellipse fabric half wallpaper abstract background posh repetitive mod endless work split paper retro chain continuous element art seamless design style vector texture pattern loopable dotwork stipple