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spring-of-mathematics: Spiroface - 4 rolling circles(Circumscribed) & 4 rolling cirlces (Inscribed) Especially, these two images of process (red curve) are similar in a shape. Source: Spiroface by Benice-equation. - Mathematical software used:
Steel & Glass - Italy, today
imalikshake: Storm in Dubrovnik By Vjekoslav Benic
stiffspeed: Ivan Benic
Benice Reguis
