Avella, Natalie. Paper engineering : 3D design techniques for a 2D material / 3D design techniques for a 2D material. by Natalie Avella. - Mies, [Switzerland] : RotoVision, 2006. - 160 p. : ill. ; 26 cm. ISBN: 2940361193 Subjects--Topical Terms: Paper folding (Graphic design).Paper work