The secret to home design that sings? Geometry.

Democracy Dies successful Darkness

(Illustration by Zachary Balcoff/The Washington Post)

Math mightiness look acold removed from interior design, but geometry is often the concealed down homes that sing. Decorators trust connected formulas for determining the close size java array to brace with a sofa and however galore inches supra a mantel to bent a painting. But they besides crook to forms and formulas to execute that definite je-ne-sais-quoi — those intangible qualities that differentiate the so-so from the scintillating.