Create a 3D sketch in Inventor | Autodesk

Create an assembly drawing in Inventor | Autodesk

Create a 3D model in Inventor | Autodesk

Project geometry onto a sketch plane | Autodesk

Create and modify sketch geometry | Autodesk

Create and modify sketch geometry | Autodesk

Sketch basics - Create and modify sketch geometry | Autodesk

Inventor 101: Creating a Work Plane between 3 Points - Inventor Official Blog

Sketch basics - Use parameters to constrain sketch geometry | Autodesk