If you have to take the measurements of a planar object a ruler may be sufficient, but if the picture is more complicated than being able to accurately measure becomes almost impossible.
Becomes a breeze, however, if you have this very useful in measuring the digital string. With this small but effective unit just pull the wire around or along the figure to be measured, and the figure appears on the digital screen, very precise and without having to go to the eye.
The appearance is that of a pocket calculator, in fact, besides being able to store up to 3 measurements, you can use it to make calculations in real time without having to write down the numbers on the calculator.
It 'very convenient and allows the wire to take any kind of measurement, also do a lot of folds and take measures to more complex figures. It has an accuracy of up to three decimal places, the wire is about 130 cm long (50 ") and a button to switch quickly from one measurement in millimeters to inches.
For every need, and to make the most comprehensive and integrated a small flashlight that level.
You can find it on thinkgeek.com
