My wife wanted to draft out a crossword puzzle for her Rainbow Girl Guides unit. She needed a faint 1 centimetre squared grid to plan it out. She would use a pencil and plan the word positions. Finally, tracing over the words with a pen and drawing in required squares.
Inkscape is a free and open-source vector graphics editor, available for Linux, Windows and Mac OS X; it can be used to create or edit vector graphics such as illustrations, diagrams, line arts, charts, logos and complex paintings.
Inkscape has a Grid extension but, it requires that you enter some values in pixels.
So, in my case because I wanted 1 centimetre squares I
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I selected A4 and then selected in the 'Units' drop-down 'cm'. I noted down that, an A4 piece of paper was 21 cms width, by 29.7 cms height. I then changed the 'Units' drop-down to 'px' for pixels. This gave me 744.09 pixels width. I then divided 744.09 by 21. Rounding down...
35.43 pixels = 1 centimetres
Noting this down I then went and created the grid.
I left the 'Line Width' at 1 pixel. I changed both the 'Horizontal' and 'Vertical' spacings to 35.4 pixels. Clicking on the 'Apply' button results in a visible and printable page with a 1 cms squared grid upon. However, this was in the default Stroke colour, black. I wanted to lighten this so that, it was just a faint background grid layout, for my wife to use. So, I wanted to change it to light grey colour lines.
Having highlighted the grid
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I then right mouse clicked on the '20% grey' colour from the colour pallete which was at the bottom of the editor pane. Offcourse, if I wanted this to be like a school math pages, I could have selected a light blue colour.
Done!
If you do not want to go through all of the above then, you can download my SVG file here,
A4_1cm_square_grid_paper.svg