Develop a module for inventor "chain gearing";

Programmer services are required. You need to develop a module for inventor "chain gearing". In c#.
Functional purpose of development:
The software module is designed to perform automatic model construction from the Chain gearing library, as well as parametric changes to these 3D models.
Requirement for the composition of functions performed
The software module should be able to perform the following functions:
1. Choice of the type of chain gear transmission.
2. Selection of the "main parameter" for chain gearing.
3. Automatic selection of dimensions depending on the "main parameter".
4. Visualization of details in the Autodesk Inventor environment.
5. Building a chain with a reference to the selected stars.
6. Parametric change of 3D models.
7. Opening of the certificate.
8. Opening of GOST for chain gear transmission.
9. Check the active status of the document in Autodesk Inventor.
In fact, this is an add-on for the inventory, with a similar interface, in which all the dimensions of the transmission parts from the above GOST are collected. When choosing the main parameter, there should be a construction in the transmission (stars and chain). There are two kinds of chains in this guest. In addition to the program, or rather for its work, you will need to form a library of parts (working plates, stars, rivets, rods) in the inventory, from the parts of which the assembly itself will be carried out. Calculations of dimensions for parameterization of the asterisk and chain are in the Anuriev Volume 2 handbook.
It is necessary that the necessary elements are obtained from the library, then the chain is assembled. After assembly of the chain, a gear is added to this assembly.

It was not the library that created the components, but the library that was created earlier.
After creating a library in an inventor
There is a similar program on another topic.