If you don’t know how to get dressed for a costume party, you can use a plain bedsheet and become a classical Greek woman or a glowy goddess with your own DIY  peplos (here with a makeup look by yours truly). I found this do-it-yourself idea while leafing an old monthly magazine dedicated to the ancient Greek world (a Focus History special issue). Despite the title of this insert (“The chiton in 4 moves”), this DIY dress looks like a peplos like those worn by Greek women up to 500 b.C., with a flap of fabric on the upper part of the body that was called “apoptygma“. Your bedsheet, about one-third, should…