Some black Friday spoils: Real ruby nozzle for my 3d printer! Sounds silly but makes a lot of sense if you are printing with carbon fiber, glass or metal filament. No worry of wearing down the hotend. #projects #3dprinting #treatyoself #olssonruby #matterhackers (at Berkeley, California) https://www.instagram.com/p/Bq87deKlyCE/?utm_source=ig_tumblr_share&igshid=ik7g0zqb1i2b
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