Note for purchase

One: The model is mostly printed by FDM type 3D printer, so the model will have layer lines, micro cracks, deformation and other situations can not be avoided! Careful to buy if you mind!

Two: suitable for people over 14 years old (non-children's toys), the model is fragile, do not play with violence!

Three: can not be placed in the temperature above 50 degrees for a long time, will lead to softening deformation.

Parameters

This model is the general structure of the planetary gear principle model.

Sun teeth: 25 teeth

Gear ring: 53 teeth

Each planetary tooth 14 teeth

Transmission ratio:3.12

The whole profile size of the model is 114.5x132x74mm