The FOCUS tool can be accessed from the "Inspect" menu inside Autodesk® Fusion 360™. When the FOCUS tool is activated, a dialogue box will display a range of information about your current model. When following one of the included exercises, the FOCUS tool can calculate percentage scores for your model for several key metrics.
Feedback is provided in plain English, directing you to areas where your model can be improved. FOCUS stands for Feedback and Optimisation for CAD Utility Script.