Alien's first facehugger design was originally bigger and grosser

The first Facehugger design for "Alien" was initially much larger and more grotesque. Thankfully H. R. Giger scaled it down to what fans know today.
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As Seen on ‘Alien’: H.R. Giger’s Biomorphic Nightmare

There’s a lot to love about Ridley Scott’s 1979 science-fiction horror film Alien, including the masterful directing, suspenseful screenplay written by Dan O’Bannon, and its compelling protagonist, ...