Architects don't worry about which tiles go in the shower or which brand of
dishwasher to install in the kitchen until after the floor plan is finalized. They
know it's better to decide these details later.
You need to approach your idea the same way. Details make the difference.
But getting infatuated with details too early leads to disagreement, meetings, and
delays. You get lost in things that don't really matter. You waste time on
decisions that are going to change anyway. So ignore the details--for a while.
Nail the basics first and worry about the specifics later.
When we start designing something, we sketch out ideas with a big, thick
Sharpie marker, instead of a ballpoint pen. Why? Pen points are too fine. They're
too high-resolution. They encourage you to worry about things that you shouldn't
worry about yet, like perfecting the shading or whether to use a dotted or dashed
line. You end up focusing on things that should still be out of focus.
A Sharpie makes it impossible to drill down that deep. You can only draw
shapes, lines, and boxes. That's good. The big picture is all you should be
worrying about in the beginning.
Walt Stanchfield, famed drawing instructor for Walt Disney Studios, used to
encourage animators to "forget the detail" at first. The reason: Detail just doesn't
buy you anything in the early stages.
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Besides, you often can't recognize the details that matter most until after you
start building. That's when you see what needs more attention. You feel what's
missing. And that's when you need to pay attention, not sooner.