Incredible Cat Pencil Sketches by Paul Lung. The beautiful pencil art was created by Hong Kong based graphic artist from Paul Lung. 0.5 mm 4B mechanical pencil and A2 paper are the only attributes of these masterpieces. He doesn’t use eraser and spends up to 60 hours sketching out his pictures. As he often admits people do not believe him and he has to make videos of his work to prove that these art works are not photographs.