Lorax line drawing
http://rookery2.viary.com/storagev12/879500/879502_9e03_625x1000.jpg
Line Drawings:
http://wwwisg.cs.uni-magdeburg.de/graphik/pub/files/Schlechtweg_1996_RLD/abb3.jpg
http://gentlepurespace.com/blog/wp-content/uploads/2008/07/pedro-lucena-tree-line-drawing.jpg
http://upload.wikimedia.org/wikipedia/commons/7/70/High-Current_Copper-Brush_Commutated_Dynamo.jpg
Origami
http://www.origami-instructions.com/origami-sampan.html
http://www.origami-instructions.com/origami-cup.html