When you open Visiometa you need to create a New project. Following the opening, you will see the General User Interface. You need to open the MODELS MENU to IMPORT a new geometry. https://visiometa.com/files/downloads/drive_housing.step (Select the drive housing and save it without txt extension). You need to “Select” the geometry in the MODELS MENU in order to instentiate it. Click “Instantiate” in the MODELS MENU to create an origin in the LAYOUT MENU of the MAIN MENU. The materials involved are defined in the DOMAINS MENU . Here click on the name “casting” (when you hover over it it appears in purple).