FormFire's Propeller Necklace
A propeller's efficiency is determined by thrust x axial speed over resistance x rotational speed. Sound too scientific? Wait 'til you try it with glass.
Only an architect with masters degree and fifteen years of lampwork and jewelry design can pull such intricate combination. When operating in its best regime, a well-designed propeller typically has an efficiency of around 80%.
Formfire's lampwork discs sure has 100% vogue prowess.
Available online at formfireglassworks.com
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