Retro weapons - Blaster

In the 80's, with the emergence of underground movements like cyberpunk and steampunk, the sci-fi weapon design focused on mechanical items like the LAPD Blaster from Blade Runner.
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I'm a big fan of Fallout game series and I've always loved its retro-futuristic design. I'm trying to put together some blueprints of retro weapons myself, maybe if they look cool enough I'll hang a print or two in my home ;)