The document provides an overview of various drawing instruments and tools used by draftsmen, including drawing tables, t-squares, triangles, compasses, dividers, protractors, and more. It details the purpose and materials of each tool while outlining proper usage and maintenance guidelines. Overall, it covers essential equipment that facilitates the drawing and drafting process.

1. DRAWING
INSTRUMENTS AND
TOOLS

2. DRAWING TABLE
 A single piece of
equipment which a
draftsman uses most
of his time.
 This is a special type
of table with an
adjustable top that
can tilted to a desired
position or an angle.

3. DRAWING BOARD
 Optional equipment
where the drawing
paper is fastened.
 It is generally made
up of soft, pine wood
with cleats of
hardwood.
 This board is placed
in a table while the
draftsman is
working.

4. T-SQUARE OR TEE SQUARE
 Is drawing tool used to
draw horizontal line
and as a guide or
support of the
triangles when
drawing incline lines
and vertical lines.
 It is made of wood,
plastic or the
combination of both.

6. TRIANGLES
 It can be used
to create
vertical lines
and it is made
of celluloid.
-45x90 degrees
triangle
-30x60 degrees
triangle

7. COMPASS
 It is used to draw
large arcs and
circles in pencil.

9. DIVIDER
 a measuring
compass,
especially one
with a screw for
making fine
adjustments.

10. PROTRACTOR
 It is a tool used to
measure or lay
out an angle or an
arc.
 Its shape is
circular or semi-
circular.
 It is made of
celluloid or metal.

11. TRIANGULAR SCALE
 Is a ruler that has a
3-lobed cross-section
with 6 different types
of scales on the
edges
 It is used for
measuring and
preparing scale
drawings such as
blueprints and maps.

12. ERASING SHIELD
 It is generally
made of a thin
sheet of metal of
stainless or
alloyed
aluminum.
 It is necessary
when erasing
inked or penciled
lines, blots, slurs.

13. DRAWING PENCIL
 It use for drawing
straight and
curved lines either
freehand and
mechanical.
 Drawing pencils
have various
grades of
hardness or
softness.

14. DRAWING PENS
 Are generally used for lettering and
drawing lines.

15.  PENCIL SHARPENER
-it has varied size slots
into which different
sizes of pencils can
be inserted.
•SANDPAPER PAD
- The pad helps make
the pencil point conical
and long without
breaking it.

16.  DRAFTSMAN TAPE
-This type of tape does
not ruin the drawing
paper when it is
detached from the
paper.
•RUBBER ERASER
- It is used to erase the
unwanted marks on the
paper

17. REMINDERS ON THE USE OF THE DRAWING
INSTRUMENTS
 Don’t use the head of the T-square as hammer.
 Don’t put oil on joints of the compass or divider.
 Don’t sharpen the pencil over the drawing board.
 Never fill up pen over the drawing board
 Always clean the instruments and drawing table before
beginning your work.
 Don’t fold the drawing paper or tracing paper
 Don’t use the edge of the T-square as guide in the cutting edge
of the paper.
 Always clean your drawing instruments after using it.

18. THANK
YOU!!!!

19. PLATE NO: 5
Final output

20. MATERIALS AND DRAWING TOOLS
 Drawing table
 T-square
 Technical pen or, Gel Pen
 Eraser
 Triangles (30x60 triangle, 45x45 triangle)
 Mechanical pencil, any pencil
 Villum

21. PLATE NO. 5