Consider the scene's lighting, and use shading to add volume to your objects. Make the part of the objects that are closest to the light white, and gradually move through gray to black as you get closer to the "shadows" of the objects. Create cast shadows behind.
-------------------
I believe you mean depth. Depending on whether you are using color or if it is black and white will determine your objective.
In a black and white drawing, the objects further away will need less detail and you should use a harder lead such as 6h to 9h. Not much pressure should be applied to allow variances in shading. Stippling or light dotting can be used for a fog scene. Use softer leads, 2b to 9b, for darker tones. Work your darker tones in last so that you do not smear residue over the other areas.
With color you will need to lighten them as you have objects further off in the background for a landscape scene. You will also lighten your colors as they come closer to the source of light in your picture. Try to use black as little as possible because many things aren't really black. For a night sky it is better to use a darker blue. The gray in clouds is really a purple, but you have to learn to mix colors to find the right shade.
- H. Sink
A drawing using tone is called a chiaroscuro. This technique involves using contrasts of light and shadow to create the illusion of volume and depth in the drawing.
Create A Theory
One artistic technique used to create the illusion of three dimensions is perspective drawing. This involves using vanishing points and geometric principles to represent objects in a realistic way on a two-dimensional surface. Another technique is shading or chiaroscuro, which uses variations in light and shadow to create the illusion of depth and volume in a artwork.
When you create an object through freehanding.
Paint
* A Computer * CAD Software
PowerPoint enables you to create drawn objects using a set of tools located on the Drawing toolbar
Illustrator, corel draw
there was some form of technical drawing as the best scribes were told to make plans, however back then 'technical' drawing was not very precise.
A drawing instrument is basically anything you use to create your artwork. Ex: pencils, paint brushes, erasers, paint, etc.
Crosshatching is an extension of hatching, which uses is the use of fine parallel lines drawn closely together, to create the illusion of shade or texture in a drawing. Crosshatching is the drawing of two layers of hatching at right-angles to create a mesh-like pattern. Multiple layers in varying directions can be used to create textures. Crosshatching is often used to create tonal effects, by varying the spacing of lines or by adding additional layers of lines. Crosshatching is used in pencil drawing, but is particularly useful with pen and ink drawing, to create the impression of areas of tone, since the pen can only create a solid black line.
Scanner