1) Drag the model out of the workspace, press "t" after creating the object or activate the edit button to enter the edit mode. Shift+Ctrl+Alt box selects the parts to be grouped, and the box-selected parts are displayed in red, that is, the parts are hidden (you can also press Shift+Ctrl box-selected parts to display in green, that is, the parts are displayed). Of course, you can change what is displayed and what is hidden by deselecting Hide. Deselect hidden shortcuts: hold down Shift+Ctrl and drag in the workspace).

2) Open the interface of polygon group in the tool toolbar, and click GroupVisile to divide the visible models into a group.

3) Hold down shift+ctrl and click in the blank space to display all models. In this way, a model is successfully divided into two groups according to needs.

You can also divide the model into different groups by masking.

1) Drag the model out of the workspace, press "t" after creating the object or activate the edit button to enter the edit mode. Ctrl+ left mouse button masks the parts to be grouped.

2) Open the Polygon Group interface in the tool toolbar, click the "Group Mask" button, and then group by mask.

Tutorial recommendation: Web links