Chartpak 1085I Templates, Geometric Shapes/Symbols, 3 1/2" x 7", Smoke Chartpak 1085I Templates, Geometric Shapes/Symbols, 3 1/2" x 7", Smoke Created for the needs of architects, drafters and contractors. Smooth apertures and risers on the underside of the template promote ease of movement as well as help prevent smudging from writing instruments. These smoke gray templates are .03" thick.