The pictures online are useful to affect the apparent proportions of a space. A vertical line of the roof makes pictures seem more removed from our sight. In small rooms, narrow tables should be placed vertically. This will create the illusion of a higher roof and, therefore, increases the feeling of height in its entirety. The horizontal lines are suitable for long corridors and areas, including on certain furniture accompanying line of furniture, for example on a chair 2 lengths.

(Left: A vertical line of tables to visually lighten an area of ​​pass / Right: A large wall for his guidance does not allow the placement of furniture, you can enhance your design with a line of small squares)