Isometric Graph Paper – Free Printable Triangle Grid PDF

Isometric graph paper uses three sets of lines — vertical lines and lines at 30° to either side — that form a grid of equilateral triangles. It lets you draw 3D objects with correct proportions without any perspective.

The spacing you choose is the length of each triangle side.

What people use it for

Isometric drawings in technical and design classes
Sketching buildings, rooms and 3D game levels
Designing furniture and product concepts
Geometry lessons on triangles and tessellations

How to print it

Choose the paper type, grid size and paper size above. The preview updates as you go.
Click Download PDF (or Print to open it straight away).
In the print dialog, set the scale to 100% or Actual size so the grid measures exactly what you selected.

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Frequently asked questions

What is isometric graph paper used for?

It is used to draw three-dimensional objects on paper. Each axis of the object follows one of the three line directions, so lengths along every axis keep the same scale.

What is the difference between isometric paper and triangle graph paper?

They are the same grid of equilateral triangles. "Isometric" refers to how it is used for 3D drawing.