a helicopter cap propeller beanie against a green backdrop

green isolated 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 boy cecil head heads satirical comedic comedy comedies nooglers noogler visor wear wearing apparel apparels fashion trend nostalgic nostalgia