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Do walls really have to come all the way down to the floor-or could they stop 20 inches shy of the ground, so there is a subtle connection between people on either side?

Why can’t a bedroom closet be made of frosted glass with clothes dangling in artful silhouette? Does bathing have to be such an intensely private thing?

These are some of the questions posed and answered by Nasir Kassamali in “The Essential Home,” a special exhibition that promises to throw conventions about house and home out the window when it opens Nov. 2 during the Chicago Design Show at The Merchandise Mart, Kinzie and Wells Streets.

“Let’s call it an idea lab,” says Kassamali, owner of the Luminaire stores in River North and Coral Gables, Fla.

Kassamali and Mart officials have been tossing around the prospect for such an exhibition since the Chicago Design Show (a trade show featuring more than 200 lines of contemporary home furnishings from around the world) was born four years ago.

“The Essential Home” is about spatial design and how rooms nurture people. It will be built as an 1,800-square-foot apartment on the second floor of the Mart.

Although the four-day Chicago Design Show opens Nov. 2, public days are Nov. 4 and 5. The exhibition will be open through December from 10 a.m. to 5 p.m. Monday through Friday.

During the Chicago Design Show, entrance to “The Essential Home” is free with show admission, $15. After the show closes, entrance to the exhibit is free. Call 800-677-6278 or visit www.merchandisemart.com.