After you have installed Inventor Pro 2021 you can learn about CAD and 3D modelling using this application in different ways.
One good way to start is by using some of the tutorials provided by Autodesk. The first time you start Inventor you can click on the Learn button or, later, when you first start Inventor, on the Get Started page you can click on the Tutorial Gallery button at the top.
Another popular tutorial is to create a toy airplane. You can download the pdf file here.
There are 10 tutorials available.
Under Help you can also find Get Started Videos, Sample files and other helpful links.
UNDER CONSTRUCTION PLACE HOLDER
When you are ready to work on FRC robot design you will find that suppliers often provide the CAD files for their products. All you need to do is download and import.
The AM14U4 base is an option to help teams get started by provided a rugged platform to build on. At the bottom of the 14U4 page are links to the CAD files for this base.