bauhaus style cool geometric colorful poster 18x24 format with flowers, triangles, heart

18x24 30s 40s 50s 60s 70s abstract art artwork background bauhaus circle colorful composition cool decor design fabric fashion flower flowers format funky geometric german germany green groovy heart home line midcentury minimal minimalist modern modernist nature ornament pattern pink pop poster postmodern print repetitive retro seventies simple sixties size square style textile trendy triangle triangles tulip turquoise vector