vintage aestethic pattern with triangles in the style of the 70s and 60

aestethic groovy triangle pattern retro backdrop backgroud 1960s 1970s vintage 60s 70s background funky hippie geometric floral modern optical sixties seventies seamless graphic textile trendy cover poster fashion repetition elegance illustration geometry geometrical rhombus scandinavian print repeat interior pop sofa fabric basic y2k composition bauhaus texture tile