5 Sketching Secrets of Leonardo Da Vinci

 
You can improve your sketching and paper prototyping by adopting some of the methods used Leonardo da Vinci in his sketch books.  Leonardo was a prolific sketcher, filling his journals with over 13,000 pages of notes and drawings.  These 5 sketching lessons will make you a better thinker. By Big Design

Leonardo's Kitchen Nightmare

Some of Leonardo’s projects failed because of their execution. The strange tale of Leonardo’s “Kitchen Nightmare” plays out like a Shakespearean “comedy of errors” where a visionary designer’s experiments all work perfectly to extremely disastrous results. By Boxes and Arrows