Garret: noun   gar·ret/  ˈɡerət/

a top-floor or attic room, especially a small one (traditionally inhabited by an artist).

Garage : noun   ga·rage/  gə-ˈräzh, -ˈräj

a building or part of a building in which a car, etc., is kept.

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    The garret is a loft above the garage where design ideas are born, a think tank of artistic endeavors.  The garage is the workshop, the custom creation of objects with a hankering for materials, craftsmanship, and details.