Koala Tools | Geometric Grid Transparency Sheets (Variety Pack of 4) - 8.5" x 11" | Overhead Projector and Light Box Transparencies - Tracing Film for Sketching & Drawing

4 GRAPH CONFIGURATIONS: Quadrile, isometric, circular (polar coordinates), and golden ratio transparency film. PROJECTORS & LIGHT BOXES : Use with your lightbox, light board, light pad, light table, or overhead projector to draw geometric designs. TABLET COMPATIBLE: Works with Apple iPad Pro and Samsung Galaxy TabPro. Use with your favorite sketching / drawing app. All touch and stylus functions work through the transparency sheet. ERASABLE MULTI-USE: Made of 8.5 inch x 11 inch x 0.3 mm clear PVC film. Unlike paper, clear vellum can be used over and over with dry erase markers. VERSATILE: Draw a variety designs from spheres, furniture, product conepts, landscapes, and industrial designs.