Looking around the internet for interesting drawings I found these.
Angela Palmer, b. Scotland 1957, makes her drawings on many sheets of glass, building up map-like linear patterns which have an other-worldly clarity. The subtle shapes remind me a little of ancient Greek sculpture. More info at http://www.artnet.com/artists/angela-palmer/
Angela Palmer, Robert Harris Portrait 3
Ink drawing on 16 sheets of glass, 34.5 x 29.5 x 24 cm.
Lucy McKenna is a young Irish artist who studied at NCAD in Dublin. The drawing is from a series called "The Darker Wood" which arose from a residency in Canada and which includes photographs and paper sculptures.
Lucy McKenna, Tree VI, 35 x 30 cm, pencil on paper
Thanks to both artists for permission to post.