STEP 1: Using a pencil and ruler, draw a horizontal line. Set the compass to the width of the line. Place the compass at either end of the line and draw two arcs that cross in the middle.

A teenage boy with a bizarre talent for precisely drawing lines to set lengths without using a ruler has wowed comedians Hamish Blake and Andy Lee. Elliot, a self proclaimed 'line length expert ...

Since the scale line of a general ruler has a width, many people have had the experience of trying to draw a line of the correct length with a ruler and wondering 'how far should I draw this scale ...

With little more than vintage lead pencils and a ruler, London artist Kelly Wallace creates line drawings that are both incredibly realistic and totally surreal. Wallace's work is the subject of ...

and Photoshop Mix), Ink and Line are a set of devices that work together. They act like a smart pen and smart ruler of sorts, enabling you to draw directly on the iPad with precision. Pocket-lint ...

Strangely, there is an option in Line to adjust the width and opacity ... and using the Slide ruler made it really easy to draw straight lines and circles. But sometimes the guidelines or stamps ...