Figure sketching is drawing without drawing tools commonly used, namely the ruler. The tools used in the drawing is the eye of imagination and reasoning. Sketchy often used by architects in planning the building. Which is often used is the sketch for the interior and exterior of the building plan. Sketchy is also often used to draw a perspective projection.
Images are produced without the help of the floor plan, chunks, and looks. The basis used in drawing sketches proyeksip perspective, both interior and exterior is imagination and reasoning deft eye sight and strong in the mind of a person. The idea of the draft form of the house / building has been thoroughly reflected in the imagination and reasoning.
When the results of these sketches will be applied in the manufacture of the building, then the drawing produced from the newly created image a complete plan that includes floor plans, cuts, and looks.