Drafting details manually as a first visualization, using isometric views to study complex intersections, is often a part of my design process prior to more formal visualization and documentation using BIM (REVIT). I was fortunate to have started my career long enough ago that BIM had not yet replaced sketching or manual drafting in the office. The artistic aspect and the required commitment of line from pen to paper, and especially to vellum or mylar, has been lost to the machine, and a very tactile human experience along with it