00:00 buffed 01:40 biggest 03:20 smallest 05:00 Nine Circles x Deadlocked 06:40 3 players 08:22 remake 2.1 10:00 Paint 2.1 11 ...

The term "involute" refers to the shape of the teeth: the curves of the teeth are involutes of circles, which are curves that optimize gear performance. Figure 1.1.2: The three marked circles are key ...