Whimsical holiday art sculptures by students from a class taught by 3D Design Chair Kevin O’Callaghan (BFA 1980 Media Arts) are now on view on the sidewalks of Madison Avenue in partnership with Madison Avenue Business Improvement District. On view through Monday, December 30, on Madison Avenue between East 61st and 79th Streets. See more images of the work on Instagram at @madisonavebid and @svanyc.