Drawings
Drawings like these have a number of purposes. Sometimes I use the act of drawing to think through design problems and sometimes it allows me to explore ideas about communication and complexity. Other drawings I do just to keep my pen hand in shape.
More drawings here on Calum’s blog: 
citydrawingmusem.
Click each image to enlarge.
Two Island Cities, 2012. Mixed media.
Wall, 2010. Ink on graph paper.
City fragment, 2011. Ink on paper.
City plan / Islands 2, 2010. Ink on paper.
City plan / Islands 1, 2010. Ink on paper.
City plan, 2010. Ink on paper.
Shelf / Plans, 2001. Ink on card.
Plans / Towers, 2005. Ink on card.
City Plan on Net, 2009. Ink on card box.
Shelves, 2007. Ink on paper.
Wall, 2010. Ink on paper.