The objects with the outlined contours is the one other kind of Line web icons. Such design elements are called contour drawings. There are items without some strict outlines that are rather some hint than actual contour of line icons. They are called gesture drawings. Such drawings are being widely used by skilled artists who can repeat the outlines of the object right after seeing it.
One additional way is adding some halftones and shades to the object. It's possible with the help of short lines and crosshatching. Their frequency and pencil pressure can be different. And this variety creates more three-dimensional look to the object. So this technique is extremely helping in creation of great Line web icons, logos and buttons.Furthermore lets get info regarding open lines. It is such sort of the lines where the dots not combining the singular elements. The lines can as well be parallel, gesture-like, contour etc. Contour drawing includes superb simplicity and refinement of line design. The curves that are essential for creating complex line shapes are called Bezier curves in computer graphics. These curves are real helpers in creation of the vector shapes such as line icons, different buttons etc. Computer technologies make it possible to reproduce the same designs or develop new shapes based on some older ones without extra efforts and time. Another advantage is that it is easy to return to the previous adjustments with a help of the history panel. As a result there's no need to make Line icons from scratch if you have made some mistakes.