Note: A 
		
new render setup system is available that replaces legacy render layers and is the 
		
default system in Maya. This new approach simplifies the management of complex scenes for rendering and is now the recommended workflow. See 
		
Render setup in Maya for more information. 
	 
 
 You may want to have a render layer that contains only reflections and refractions of an object, but have the object not be visible on that layer. The primary visibility attribute in the Render Stats allows an object to reflect and refract, but the object itself does not render. 
	 
To do so, both the visible objects and the hidden objects (the objects for which you wish to show reflection and refraction) must belong to the same layer. 
	 
To hide an object but show its reflections and refractions
 
		 
		- Select 
			 Window > Rendering Editors > Render Layer Editor. 
		  
- In the 
			 Render Layer editor window, select the layer on which you want to hide the object(s). 
		  
- Select the object. The 
			 Attribute Editor with the selected object’s attributes appears. 
		  
- Uncheck 
			 Primary Visibility in the 
			 Render Stats section of the object’s shape node. The 
			 Primary Visibility attribute turns orange, indicating that visibility is overridden on this layer.