Transmission3d is a 3-dimensional, multi-body gear contact analysis software capable of modeling complex gear systems developed by Ansol (Advanced Numeric Solutions). Multiple gear types, including: Helical, Straight Bevel, Spiral Bevel, Hypoids, Beveloids and Worms can be modeled. Multiple bearing types, as well as complex shafts, carriers and housings can also be modeled with the software. A variety of output data options including tooth bending stress, contact patterns, and displacement are also available.