Create models quickly with the Model Builder. Model Builder finds and acquires high-resolution data layers and then builds models for a specified area of interest (AOI). Model Builder stores and publishes models in the cloud.
to expand a horizontal menu and select Model Builder. 

to enter a description for the model. InfraWorks 360 sends an email notification to the email address associated with your Autodesk 360 account when Model Builder has finished loading the model.