Make sure whatever picture you want to draw you are able to print it out. You will need a printed copy and a saved color copy on your desktop
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Once you have printed your picture you will need take a pencil and draw a 1 inch X 1 inch grid over your entire paper.
If you have a lot of dead space in your picture, I will cut it for you on the paper cutter.
Here is the trick to making your drawing proportional to your printed picture
EX. 24in X 18in each number is divisible by 2
so you will create a 2 in X 2 in grid on your LARGE DRAWING PAPER