What is the function of the "Fillet" feature in Autodesk Inventor?

The "Fillet" feature in Autodesk Inventor is primarily used to round off edges or corners of a solid model. This process of applying a fillet can enhance the aesthetics of a part, improve its structural integrity by reducing stress concentrations at sharp corners, and facilitate manufacturing processes by easing the transition between surfaces. When a fillet is applied, the selected edge undergoes a curvature which not only helps in achieving a smoother transition but also can help prevent potential wear and tear over time, particularly in mechanical parts that experience frequent contact or movement.

The use of a fillet is particularly important in scenarios where a part may be subjected to forces, as sharp edges can be stress risers, leading to potential failure. The choice of radius for the fillet can vary depending on the design needs and functionality, providing flexibility in the modeling process. In summary, the primary purpose of the fillet feature is to create rounded edges, improving both the design and functionality of the model.