Affordable tips

*A reproduction of a 1968 Eero Aarnio bubble chair (bought on sale, for $500, at Modern Tots in Brooklyn).
*Solid-core doors ($85 each from DoorStop NY) serve as tabletops in the architect’s office.
*The tub ($880) and sink ($582) in the bathroom are Duravit; the plumbing fixtures are from AF Supply, and the custom towel holders are from American Circle.

*The artist’s studio opens to the street for exhibitions; the doors were fabricated at American Circle ($4,000).