Isometric drafting paper by Clearprint and Alvin. Isometric grid drawing paper is 20 lb. basis, acid-free, versatile layout bond. Printed with a non-reproducible blue grid on one side. Smooth, opaque surface suitable for pencil or ink. Ideal isometric drafting paper for mechanical drawing or design needs, especially machine design, architecture, and patent office drafting. Isometric grid of evenly spaced lines at 30, 90, and 120-degrees, for drawing 3-dimensional objects rotated at 45-degrees. Ideal for pipe, sheet metal, HVAC layouts, cabinet and structural design. Laser, copier, and inkjet compatible.
ALVA-LINE isometric tracing paper, drawing paper. Printed in a non-reproducible blue ink on Alva-Line blue-white quality tracing paper, the isometric grids are clear, sharp, and accurate, yet won't reproduce on Diazo prints. All grids are printed on the underside of sheets to prevent removal during erasure. These medium weight, 16 lb. basis, .00275 thickness, pads are ideal for use by engineers, draftsmen, architects, graphic artists, etc. Alvin 1242-series isometric drafting papers and 6855ISO Alva-Line isometric tracing papers are made in the USA.