This is printed With A Grid Of Equilateral Triangles. Ideal for 3D design including Architecture, Landscaping, Engineering, Sculpture, 3D printer projects, Gaming ideas, Math geometry projects or Schools and Colleges projects. It Is Excellent To Draw Puzzles Or Complex Or Labyrinthine 3D Images With Boxes And Staircases. Ideal For 3D Printer projects. Scroll up and click ' button to grab your today!