The Mechanical Drawing Tools ClipArt gallery offers 107 illustrations of tools commonly used in mechanical drawing such as dividers, drawing boards, pencils, scales, triangles and t-squares.
Ruling Pen with Hook
A ruling pen with hook for easy cleaning. Ruling pens are useful in drawing with ink.
Sanitary Pencil Box
A pencil case or pencil box is a container used to carry pencils. A pencil case can also contain a variety…
Dull Edge Pencil
The wood is cut away so that about 1/4 or 1/2 inch of lead projects. The lead can then be sharpened.
Sharpened Pencil
The lead can be sharpened to a chisel edge by rubbing it against a bit of sand paper or a fine file,…
Mechanical Pencils
Pencils are the basic tool for mechanical drawing. Pencilling is the first basic skill in mechanical…
Positioning Pen with the Straight Edge
To draw a straight line, the pen must be perpendicular with the straight edge ruler, as shown in A.…
Protractor
The protractor, an instrument for laying off and measuring angles, is made of steel, brass, horn or…
Bevel Protractor
Sometimes built into a compass, this instrument allows you to determine and measure angles in degrees…
Semicircular Protractor
A 6 inches diameter protractor to measure angles to half degrees, made of brass or German silver. They…
Drawing Ruler
A straightedged strip, as of wood or metal, for drawing straight lines and measuring lengths.
Single Scale Ruler
The flat scales are more convenient than the scales on the stick due to the delay in finding the correct…
Scale Ruler Shapes
Different ruler shapes for different scales. The triangle shape, lettered A, is commonly used in Engineer's…
Triangle Scales
The triangle scale has six surfaces for different graduations, and the scales are arranged so that the…
Scaling Drawing with Ruler
"This distance should be thought of not as three inches but as a foot divided into inches and eighths…
Section Liner, A Draftsman's Tool
"A draftsman's instrument for ruling parallel lines. It consists of a triangle so attached to a straight-edge…
Sketching Screen
The image shows surveying done using a sketching screen, which is valued by beginning surveyors.
Folding Square
This folding square is also known as a t-square which is a technical instrument, primarily a guide for…
Enlargement of Image by Squares
An illustration of enlarging an image by using squares. This proportion method is done by using squares…
Adjustable Rectangular Head T Square
"Where the square has a fast and a loose head, the blade should be mortised into the fixed one and the…
Fixed Rectangular Head T Square
A front and side view of a t square with rectangular head. The t square is used draw straight lines…
Fixed Triangular Head T Square
"To enable the drawing of long parallel, the head must have been a long contact surface with the edge…
Taper Head Adjustable T Square Side and Front View
"Where the head is movable, the pivot should be quit large, and the hole in which it plays be bushed…
Adjustable Head T-square with Ruler
An adjustable T-square to create straight lines at different angles with a ruler attached to the head.
Adjustable Drafting T-Square
A T-shaped ruler, used primarily in mechanical drawing, having a short crosspiece that slides along…
English T-square
An English T-square for drawing straight lines. The narrowing of the bottom blade makes the T-square…
Long Fixed Head T-square
A long fixed head T-square for drawing straight lines. The head shape of the T-square allows for drawing…
Regular Fixed Head T-square
A regular fixed head T-square for drawing straight lines. The blade must be perfectly straight in order…
Temporary Adjustment T-square
T—squares can be temporarily adjusted by putting the thumb tack in the head as illustrated. This…
Triangle Accuracy Test using T-square
A test to ensure the triangle is accurate by drawing a perpendicular line from a T-square.
Rondinella Triangle
The Rondinella triangle is a modified triangle ruler, where the hypotenuse is outwardly bent.
Zange Triangle
The Zange triangle is a modified triangle ruler, where one of the legs is longer making the hypotenuse…
Kelsey Triangles
The Kelsey triangle is a modified triangle ruler, where the hypotenuse is inwardly bent.
Wedge Point of Pencil
Sharpen the the pencil by removing the wood with a penknife and rubbing the lead on sand paper. The…