DRAFTING MATERIALS AND TOOLS, ITS USES/ FUNCTIONS

. . P R E P A R E D B Y :. A P R I L R . D I N G L A S A N.

. . 1. Drawing Paper. Various types of drawing papers are available for use but hard and soft surface drawing papers are highly recommended. This type does not groove easily when pressure is applied to the pencil. Oslo paper is commonly used but bond paper is also.

. .

. . 2. Masking Tape. This is used for fastening the drawing paper on the drawing table or drawing board because it does not damage the board and it will not damage the paper if it is removed by pulling it off..

. . .

. . 3. Drawing Pencil. One of the most important tools in drawing. Made of wood, comes in various grades of hardness and softness. The grade of the pencil depends on the quality of paper to be used and also the type of line work required..

. . HARD PENCILS  Are used where extreme. accuracy is required especially working on graphs, diagrams and charts..

. . SOFT PENCILS  Are too soft to be used in. mechanical drafting. They are very useful for art work of various kinds.

. . HB.

. . 4. Pencil Sharpener. Pencils should be sharpened whenever they show signs of dullness..

. . .

. . 5. Eraser. This is used to clean the dirt off the drawing. A soft eraser is advantageous in removing smudges and pencil marks, whereas a harder eraser is useful for making changes and correcting errors in the drawing.

. . Latex-frei Latex Free Sans latex Sin /åtex Senza Lattice Latex vrij Sem Latex Art. Nr. 526 830 MADE IN GERMANY.

. . 6. Eraser Shield. This tool is made up of metal with irregular holes. It is a useful tool to protect the rest of the drawing when clearing up smudges, unnecessary pencil lines and other erasures..

. . .

. . 8. T-square. It is a drawing instrument used when making horizontal lines. It is also used for guiding triangles when drawing vertical lines. It is made of metal, wood, plastic or combination.

. . THS vz zz. .

. . 9. Triangle. It is a three-sided ruler, which typically has two equal sides meeting at a 90 degree angle and to a third side at 45, 30, and including 60 degree angles. It is usually made up of plastic and comes in different sizes. If in use the base of triangle must rest on the blade of the T- square. Drawing a line always starts from the point near the base going upward. Commonly used triangles are: a.30 degree x 60 degrees b.45 degree x 45 degrees.

. . SET SQUARE RS.1504 SET SQUARE.

. . 10. Compass. The drawing instrument is used when drawing arcs and circles. It is composed of one with the pen leg and the needle point leg being held together with a handle..

. . from Dræmstime.com 3015" Geoffrey Crenstrecam.

. . 12. Protractor. It is a semi-circular instrument divided into 180 equal part, each of which is called a degree. It is used to determine gradations of the degrees when measuring, angles and circles. High quality protractor is usually made of plastic.

. . 110 180 190 88 OZ 01 0 o, 1'/'/'}'1'1'1'1'11 occ ost.

. . END.