Usually Line web icons are the objects with the outlined contours. They are called contour drawings. Also you can find another kind of icons: the items are without some strict outlines. They’re known as gesture drawings. These kinds of drawings are being widely used by skilled artists who can repeat the outlines of the object right after seeing it. It is not a complete piece of art but rather a sketch which needs 20-30 seconds to be drawn.
Another technique is adding some halftones and shades to the object with the help of short lines and crosshatching. Please don’t afraid to alter their frequency as well as pencil pressure. This variety creates more three-dimensional look to the object. This particular trick is widely used in web design as well. So this method is really helping in creation of great Line web icons, logos and buttons.The lines with the dots not combining the singular elements are known as open lines. It may look really striking when being applied to line icons design. The lines can be also parallel, gesture-like, contour and so on. The curves that are essential for creating complex line shapes are called Bezier curves in computer graphics. These curves are handy small features important for creating the vector shapes like line icons, different buttons etc.Computer technologies have the ability to reproduce the identical designs or build new shapes based on some older ones without extra efforts and time. Another advantage is that it is possible to return to the previous adjustments with a help of the history panel. So you do not have to design Line icons from scratch after you have made some errors.