geometric poster in trendy retro brutalist style with color wavy forms. simple template for posters, covers, stickers. trendy

abstract poster movement wavy bold vertical 60s 70s wave y2k background texture 90s crazy hippy print psychedelic retro trendy trippy motion template banner dynamic seventies brutalism postmodern primitive stylized minimalism minimal flat geometric vector brutalist pattern modern futuristic geometry acid contemporary rave groovy brutal cool techno cyber tee sticker collection style color forms simple posters covers stickers