Hiding layers in OmniGraffle is just one click away. To hide a layer immediately—so that you can work on another layer or, maybe, because it’s an old revision—toggle the 
(eye) icon.
Hiding layers in OmniGraffle is just one click away. To hide a layer immediately—so that you can work on another layer or, maybe, because it’s an old revision—toggle the (eye) icon.