A modern and practical isometric notebook for spatial and 3D design.It Is Perfect For Any Kind Of Three Dimensional Design Including Architecture, Landscaping Or Sculpture. It Is Excellent To Draw Puzzles Or Complex Or Labyrinthine 3D Images With Boxes And Staircases. Ideal For 3D Printer projects. Dimensions: 8.5" x 11" (21.59 x 27.94 cm) Interior: A grid of equilateral triangles with sides (Each Measuring .28 "). Pages: 120 Cover finish: high quality...