ISOMETRIC GRAPH PAPER NOTEBOOK 0.28" EQUILATERAL TRIANGLES 120 PAGES 8.5 x 11 Isometric graph paper notebook is printed with a grid of equilateral triangles (each measuring .28"). Ideal for any kind of 3D design including including architecture, landscaping or sculpture. It is useful to draw puzzles or complex or labyrinthine 3D images with boxes and staircases. This can be used for planning 3D Printer projects in...