Half-stereoscopic Design (2011)

how to show the half-stereoscopic effect in a piece of paper of 10 cm*10 cm scale puzzles me much. When other classmates were busy doing trees, flowers and equal pattern, I found the facial mask was interesting and it would make use of a piece of square paper. At last I made nine facial masks, combined with cutting and folding method and took advantage of paper size, receiving great evaluation from the teacher.