The interior design - is not easy thing. Let us take one of the key, the key secret of building interior composition - the harmonious arrangement of the living space, where everything interacts: furniture, crockery, plants, decorative fabrics and so on. All things that are selected and by which life is organized, have some sort of form. For example, the cabinet can be quite simple, in the form of a cube or a prism. Snack bar, usually consists of several parts: top, bottom, interconnecting elements (drawers, doors – this form is much more complicated. Because the buffet, as well as a bedside table, consists of two simple parts, is also similar to the prism. Two different object, but the same shape, made of the same material, the same decoration can be described as the objects of the same type. They go well together, they share a common line. Therefore, in the selection of items it is very important to determine the main form and line, the contours of objects. It is necessary to look in a furniture (bedroom or dining room), and many things will become clear. They have a common shape, they are of the same material: design of furniture is well and carefully considered. Now you have to choose the other items. Here, first should pay attention to line and shape, decor, whether there are panels, inlays, whether the object is decorated with carved or painted. Very often objects may be the same shape, but very differently decorated, whereby they are not combined with each other. You can adhere to the following principles. First option is to select all items of one and the same form with the same decoration, the same color of the same material (set). Second variant is to buy objects of the same shape but of different materials. It should focus on the items of the same decor, not to get involved in a variety of materials. For example, it will be wooden and wicker furniture, ceramic vases and lamps. Third option assumes the preferring objects of different shapes, but the same material. For example, a sofa and armchairs round, coffee table and TV stand - rectangular, lamps and floor vase - a complex shape with a wavy contour, and the material is the same everywhere - wood and glass. The fourth option is to undertake various forms of objects made of different materials - a combination difficult, but possible (it depends on the development of your taste). The main thing in all tips is to adhere to the magic number 3. It means to keep in mind that the room is acceptable not more than three kinds of shapes of objects, such as rectangle, oval, cone. In addition, no more than three decorative materials: ceramic, plaster, marble or wood, leather, brass and so on. About the Author: Vivien Smith is a blogger at custom essay writing service. She writes the articles about the design secrets of the interior.