In order to assign new or existing materials to the selected object,
please use the “Assign New Material” or “Assign Existing Material” dialogs.
You can access these either from the MARUI windows menu (in the MARUI Menu )
or via the Lighting & Rendering menu.
The Lighting and Rendering Menu is located on the right controller, on the left side of the touchbad (HTC Vive) or thumb stick (Oculus Rift),
and is indicated by the following icon:
Inside this menu you will find the following two icons to assign new or existing materials to the currently selected object: