Grid maker › How to use a grid

How to draw using the grid method

The grid method breaks an intimidating copy into a stack of tiny, obvious ones. Here is the whole process, from opening the photo to erasing the last pencil line.

Freehand copying fails for a predictable reason. Your brain keeps replacing what your eye sees with what it already knows — you draw the eye you remember rather than the wedge of shadow actually sitting in front of you. A grid interrupts that substitution by making each unit of the picture too small to name. Inside one square there is no face and no hand, just a line entering at one edge and leaving at another.

What you need

• A reference photo, printed with a grid over it
• Drawing paper, ruled with the same number of rows and columns
• A 2H pencil for the grid lines, whatever you normally draw with for the rest
• A ruler and a kneaded or plastic eraser

Step 1 — Grid the reference

Load your photo into the grid maker and choose a row and column count. Turn on Keep cells square so the squares on screen match the squares you will rule on paper. Set the line colour to something visible against your photo — black on a pale image, white on a dark one — and drop the opacity to somewhere around 40% so the lines guide without hiding detail.

Leave cell labels on. A1, B4, C7 sound trivial until you look away, look back, and cannot find the square you were in.

Step 2 — Rule your paper

Your paper needs the same number of cells, not the same size. Measure the width of your drawing area, divide by the number of columns, and mark that spacing along the top and bottom edges. Join the marks with a ruler. Repeat down the sides for the rows.

Press lightly. These lines are scaffolding and they have to vanish later. A 2H or harder leaves a line you can see but lift with a kneaded eraser without scarring the sheet. On chart paper, which is softer than cartridge, go lighter still.

If your maths is coming out awkward — 30cm across 7 columns — change the column count rather than fighting the decimal. A grid that lands on whole or half centimetres saves a lot of squinting.

Step 3 — Find your entry points

Before drawing anything, look at where the strongest lines of the subject cross a grid line. A jawline might cross the boundary between C3 and C4 about a third of the way down. Mark those crossings on your paper first, as small ticks. They are the anchors that keep everything else honest.

Step 4 — Work one cell at a time

Pick a cell and draw only what is inside it. Not the nose — the two curves and the dark shape that happen to fall in that square. If you find yourself thinking about what the object is, you have zoomed out too far.

Some habits that help:

• Note entry and exit. Where does the line come into the cell, and where does it leave? Get those two points right and the curve between them is easy.
• Draw the gaps too. The shape of the empty space beside an arm is often easier to judge than the arm.
• Skip around. Finishing one corner completely before starting the next lets small errors pile up in one direction. Jump about and check cells against their neighbours.

Step 5 — Check before you commit

Every ten or so cells, step back a metre and look at the whole thing. Accuracy inside individual squares does not guarantee the drawing reads well — you can have twenty correct cells that together look stiff. Distance shows you that immediately.

If something is off, find which cell is wrong rather than nudging everything. Usually a single misplaced entry point is dragging its neighbours out of line.

Step 6 — Lose the grid

Erase the grid earlier than feels safe — as soon as the drawing holds together without it. Then finish by eye: soften edges, push the darks, let a line or two go where it wants. That last stage is what makes it a drawing rather than a transfer, and it cannot happen while the scaffolding is still visible.

Common problems