I'm a professional visdev artist for tv shows, animated features and video games.
I worked with Disney TV, Sony Picture Animation, DreamworksTV, Netflix, Square Enix, Activision, Valve ...
Plugins and Scripts i use
I use two very useful scripts made my Sergey Kritskiy.
One for perspective called Perspective Tools V2 and one for toggling layer visibility with one simple shortcut called Toggletator.