This ruler in OO scale (1/17.2 scale) is great for use by model railroad enthusiasts, doll house builders, and all other hobbyists. Please make sure to print in 100% or actual size so the rulers would stay true to size.
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This Printable Ruler is easy to download and print. Just download one, open it in OpenOffice, edit, and print. Please make sure you are printing at 100% or actual size to the rulers will stay true to size.