Lots of good things hail from the 1970s. I’m not only talking about myself. I’m also talking about these fabulous chairs by Les Prismatiques. ($6,000 for set of six at 20cdesign.com.) The cantilevered acrylic dining chairs will make even a mundane Thanksgiving meal feel like a night at Studio 54. While you mull the thought of your parents in bodysuits, you can read a little more about 20c Design here.