This is the extensible drawing editor Ipe. Ipe allows you to create figures in PDF format, for inclusion into LaTeX (or plain TeX) documents as well as stand-alone PDF documents, for instance to print ...

The devil is in the details, or, in the case of art history, the drapery. Just think of the elegant folds on the peplos of Greek caryatids or the fluttering peach mantle in Sandro Botticelli’s Birth ...