helicopter caps propeller beanies against a white backdrop

white isolated four identical repeat pattern patterns duplicate duplicates duplication backdrop background computer generated graphics illustrations two three dimensional dimension jet black bold outline outlines outlined silhouette shape shapes shaped features featureless detail detailed details detailing texture textures surface surfaces opaque trace traces border borders helicopter caps cap hat hats headdress propeller beanie beanies science fiction fanzine ray nelson spaceman costume lark fad fads beany cecil propellerhead propellerheads nooglers noogler wear wearing apparel apparels fashion trend