Gears [Mar 06 2008] 
Features:
1) Spur gears:
a) Models: Mod. 1, Mod. 1.5, Mod. 2, Mod. 2.5, Mod. 3, Mod. 4, Mod. 5, Mod. 6
b) Pressure angle: 20
c) Tooth width: "A", "B"
d) Z = 12 - 127
2) Bevel gears:
a) Type A:
i) Pressure angle: 20
ii) Ratio: 1:1, ...