This 'Question Mark' chair from Stefan Heiliger borrows the sinuous curves of that ubiquitous punctuation mark for a sculptural piece of seating that would look great amid modern decor.

Heiliger was a designer for Mercedes-Benz, and it's clear that the man knows what to do. Stefan Heiliger's 'Question Mark' chair won the 2008 Red Dot award, and unlike many of the other furniture designs we've featured, this one is actually for sale via the link below.