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Isometric Graph Paper

Isometric graph paper is covered in equilateral triangles: vertical lines plus lines at 30° each way, so cubes and boxes drawn along the lines look three-dimensional without any perspective. Each triangle side is exactly 1 cm on both the A4 and the Letter PDF at 100%, and a second version has 5 mm triangles for finer drawings.

Tip: for exact sizes, download the Letter or A4 PDF and print it at 100% (“Actual size”). “Print this page” prints from the browser, which scales the sheet to fit.

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Use it for drawing cube buildings from plans in maths, product and game sketches, tessellations and quilt designs.

Other versions of this paper

With 5 mm triangles

Exact size on Letter and A4

Both PDFs are drawn at actual size: 1 cm triangle sides on US Letter and on A4. Print at 100% (“Actual size”, not “Fit to page”) and measure the check bar at the top of the sheet.

Other graph paper: 1/4 inch1/5 inch1 cm5 mm2 mm1 mmPolarPlane -10 to 10Plane -20 to 20First quadrant4 planes a page6 planes a page

Use on your class or library site

Paste this into your school, class or library web page. It shows the picture and a link back here, so families can print it themselves. You can change the wording.

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Printing tips

  • Print at 100% or "Actual size". "Fit to page" shrinks the sheet by a few percent and the squares stop being exact.
  • Measure the check bar at the top of the sheet with a ruler: if it is 5 cm (or 2 in), every square is the stated size.
  • Use the A4 PDF on A4 paper and the Letter PDF on Letter paper; both are drawn to the same exact sizes.

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