Translations:Create a FeaturePython object part I/35/en

You should see a new object appear in the tree view at the top left labelled my_box. Note that the icon is gray. FreeCAD is simply telling us that the object is not able to display anything in the 3D view... yet. Click on the object and note what appears in the property panel under it. There's not very much - just the name of the object. We'll need to add some properties in a bit. Let's also make referencing our new object a little more convenient: