Save guides, add subjects and pick up where you left off with your BBC account. It is not always possible to draw objects, such as a building, using the real-life measurements, as they are too big ...

For example, if a drawing of a new logo measures 600 pixels in width, its printed form will measure twice as wide as a similar 300-pixel file. You might edit a small image file to scale it up ...

It does not exist and it is possible to measure the length more ... and there is no 'scale width'. To see the difference in usability, first draw a line up to the 2 cm scale with an ordinary ...