Grid Drawing Tool

What is the grid method of drawing?

The grid method (also called squaring up or the grid technique) is a way to copy or enlarge an image accurately. You divide the reference into equal squares, draw the same number of squares on your drawing surface, and copy the contents of each square separately. Because each square only holds a few simple shapes, proportions stay correct even if you have never drawn a face or a horse before.

Artists have used versions of it for a very long time. Renaissance painters looked through gridded frames, fresco and mural painters still square up small sketches to transfer them to walls, and illustrators use grids to enlarge thumbnails. A digital grid maker for drawing simply removes the slow part: measuring and ruling lines on a printed photo.

Grid drawing for beginners

If you are new to drawing, the grid method is one of the fastest ways to get a result you are proud of. Start with a simple subject such as a mug, a pet portrait with a plain background or a single flower. Use a 4×4 or 5×5 grid, turn on cell labels so you never lose your place, and draw with a light pencil so the grid can be erased. Focus on where lines cross the edges of each square: if a contour enters a cell one third of the way down the left edge, it should enter your cell at the same spot.

Turning the photo black and white helps too. Colour distracts from value, and value (how light or dark something is) is what makes a drawing look three dimensional. The Value study option reduces the photo to 3, 5 or 7 grey levels so you can see big shapes of light and shadow before you add detail.

How to choose the grid size

There is no single right number of squares. As a rule of thumb, pick a grid where the most important feature, often an eye or a hand, spans about one to two cells. That gives enough reference points without turning the drawing into a hundred tiny puzzles.

Matching the grid to your canvas size

A grid only works if the squares on your reference and the squares on your paper have the same proportions. The easiest way is the Canvas size mode: enter the width and height of your paper or canvas in inches or centimetres and the size of one square. The tool crops the photo to the same ratio and draws exactly the grid you need. For an 18×24 inch canvas with 2 inch squares you get 9×12 cells, and every cell on screen is one 2 inch square on the canvas.

If you would rather print the guide, the Blank grid PDF exports the empty grid at true size when it fits on the page, ready to trace onto watercolour paper with a light box or window. For murals and posters, Full-size tiled PDF splits the gridded reference across as many Letter or A4 pages as needed so you can tape them together at the real size.

Tips for a cleaner grid drawing

• Rule your paper grid with a 2H or harder pencil and press lightly. A kneaded eraser lifts it without smudging.
• On dark or busy photos pick white or yellow lines; on pale photos pick black or red. Lower the opacity if the grid hides detail.
• Work from the top left to the bottom right (right-handed) so your hand does not smear finished cells.
• Copy contours first, shadows second, detail last. Check proportions across several cells before shading.
• Turn the reference and your drawing upside down once in a while. Errors in shape jump out when the subject is unrecognisable.
• Erase the grid lines inside light areas before you shade. In dark areas they will disappear under the graphite.

Grid for artists, students and teachers

This site is built around one idea: a drawing grid is a learning tool, not a crutch. Students can use it to copy a master painting or a photo of a pet, illustrators can square up a sketch before inking, and painters can transfer a composition onto a large canvas without a projector. Art teachers can turn any picture into printable grid drawing worksheets at three difficulty levels, including mystery grid puzzles, with the grid drawing worksheet maker.