ClipArt ETC
The illustration showing angles of 15, 30, and 45 degrees at angles 45 and 30 degrees. Measurement of angles is created by drawing at point E at 45 or 30 degrees, then draw a straight line from E to estimate the desired angle.

Measuring Angles in Isometric Planes

The illustration showing angles of 15, 30, and 45 degrees at angles 45 and 30 degrees. Measurement of…

The illustration of the side view of the oblique timber inserted into the horizontal timber. The drawing is done by drawing the square base, then draw an angled parallel line from the base.

Side View of Oblique Timber Framed in to Horizontal Timber

The illustration of the side view of the oblique timber inserted into the horizontal timber. The drawing…

A isometric drawing of the oblique and horizontal wood combined together. The image is drawn by creating the squared cube base, then, at the desired angle, draw the 3D view of the wood sticking up.

Isometric View of Oblique Timber Framed in to Horizontal Timber

A isometric drawing of the oblique and horizontal wood combined together. The image is drawn by creating…

The illustration of an irregular curves for solid. The isometric projection of the curve can be drawn by the series of perpendicular lines parallel to the axis.

Drawing Irregular Isometric Curves of Solid

The illustration of an irregular curves for solid. The isometric projection of the curve can be drawn…

A rolled out, or development, of the cylinder. The development is created by drawing the top curve with the dashed line where the folds are.

Development of Cylinder

A rolled out, or development, of the cylinder. The development is created by drawing the top curve with…

A development, or rolled out, cone where the point A is the meeting point for the sides. The development is drawn by drawing the arc by using a compass.

Development of Cone

A development, or rolled out, cone where the point A is the meeting point for the sides. The development…

An illustration of two intersecting cylinders viewed from the side, top, and side of the intersecting cylinder. The intersecting cylinder drawing in mechanical and engineering drawings to show either a tank or pipes.

Three Views of Two Intersecting Cylinder

An illustration of two intersecting cylinders viewed from the side, top, and side of the intersecting…

Auxiliary planes of two intersecting cylinder is drawn by drawing the first cylinder. Revolve the first cylinder onto itself to create two intersections.

Drawing Auxiliary Planes of Two Intersecting Cylinder

Auxiliary planes of two intersecting cylinder is drawn by drawing the first cylinder. Revolve the first…

A sliced view at point VW, shown in the top figure. The inside view of the cylinders shows the points where the cylinders are connected.

Sliced View of Auxiliary Planes of Two Intersecting Cylinder

A sliced view at point VW, shown in the top figure. The inside view of the cylinders shows the points…

An outside view of two cylinders intersecting in an auxiliary plane. The dotted lines is the center of each cylinders.

Outside View of Auxiliary Planes of Two Intersecting Cylinder

An outside view of two cylinders intersecting in an auxiliary plane. The dotted lines is the center…

"If B and C are points in the spiral and the ratio of AC to AB be given, the intermediate point D may be obtained by describing a semicircle on BC as a diameter and erecting a perpendicular at A." —Anthony, 1904

Drawing Equiangular or Logarithmic Spiral

"If B and C are points in the spiral and the ratio of AC to AB be given, the intermediate point D may…

"This class of spirals may be generated by unwinding a perfectly flexible but inextensible chord from a polygon of any number of sides, the names of the involutes being derived from the polygons which determine their form. The curves consist of radii increasing by an amount equal to the length of the sides." —Anthony, 1904

Involute Spiral

"This class of spirals may be generated by unwinding a perfectly flexible but inextensible chord from…

A helix spiral generated by revolving about an axis at an angle less than 90 degrees. This generates a cylindrical or coned shape as the tip meets.

Helix Spiral

A helix spiral generated by revolving about an axis at an angle less than 90 degrees. This generates…

The illustration detailing of a screw thread. Threads are created by drawing a cylindrical shape at a constant diameter. The pitch, length between the threads, is drawn along the cylinder at an angle.

Drawing Screw Thread

The illustration detailing of a screw thread. Threads are created by drawing a cylindrical shape at…

An illustration of the V thread screw. The screw is drawn by connecting the two opposite points of the thread to create the required pitch.

Conventional V Thread Screw

An illustration of the V thread screw. The screw is drawn by connecting the two opposite points of the…

A double thread screw drawn by drawing diagonal lines in between the pitch. The double thread screw is a screw with threads bunched together between the pitch.

Double Thread Screw

A double thread screw drawn by drawing diagonal lines in between the pitch. The double thread screw…

A close up of a square thread on a screw. This representation shows the correct an accurate three dimensional view of the screw.

Square Thread Screw

A close up of a square thread on a screw. This representation shows the correct an accurate three dimensional…

Illustration of a common representation for square thread screw. The screw is drawn in two dimensions and used in drafting plans and mechanical drawing.

Square Thread Screw Mechanical Drawing Representation

Illustration of a common representation for square thread screw. The screw is drawn in two dimensions…

A representation of the square threaded nut and screw. The left image shows the threaded screw with a continuous helix drawn. The nut is cut in half to show how the threads are drawn with respect to the screw.

Diagram of Square Thread Nut and Screw

A representation of the square threaded nut and screw. The left image shows the threaded screw with…

A representation of the square threaded nut and screw. The left image shows the threaded screw with a continuous helix drawn. The nut is cut in half to show how the threads are drawn with respect to the screw.

Diagram of Square Thread Nut and Screw

A representation of the square threaded nut and screw. The left image shows the threaded screw with…

An illustration of the hexagonal bolt head showing measurements. The measurement of diameter, D, is used to calculate the dimensions. The diameter of the head and the nut, H, is 1 ½D ₌ ⅛, and the distance of T is half the diameter.

U.S. Standard Hexagonal Bolt Head

An illustration of the hexagonal bolt head showing measurements. The measurement of diameter, D, is…

A screw head with detailed measurements for accurate drawing. These measurements are based off the diameter of the overall screw and the head.

Diagram of Screw Head

A screw head with detailed measurements for accurate drawing. These measurements are based off the diameter…

An exercise problem to create a vanishing point using lines. The line is drawn by placing a dot into the middle of the paper, then draw the lines angled into the middle. This creates an illusion that the lines are continuing for a long distance.

Vanishing Point Using Lines

An exercise problem to create a vanishing point using lines. The line is drawn by placing a dot into…

An illustration of drawing an eight point star using a series of pentagons to create a star. The paper is divided into a squares to use as a guide for drawing pentagons.

Constructing Star Using Pentagons

An illustration of drawing an eight point star using a series of pentagons to create a star. The paper…

"Divide the square as indicated by the dotted lines, drawing these as full lines in pencil, but do not ink them...The intermediate or section lines must not be drawn with a pencil, but are to be drawn only in ink, the spacing being done by the eye." —Anthony, 1904

Constructing Stars Using Different Shapes

"Divide the square as indicated by the dotted lines, drawing these as full lines in pencil, but do not…

"Use the T square and 45 degree triangle to divide the square as indicated, the size of the small squares being ½". This is an excellent test of precision in measurement and lining. Care must be observed in the inking of this figure to allow each line to dry before inking the next one." —Anthony, 1904

Drawing Diagonal Lines with T Squares and Triangle

"Use the T square and 45 degree triangle to divide the square as indicated, the size of the small squares…

A diagonal line pattern drawing exercise in for T square and triangle. The image is constructed by dividing the paper into squares with the T square, and the diagonal lines are drawn using a 45 degree triangle.

Drawing Exercise for Drawing Diagonal Line Pattern using T Square and Triangle

A diagonal line pattern drawing exercise in for T square and triangle. The image is constructed by dividing…

The construction of a star with square overlapping each other using a triangle and T square. This image is drawn by dividing the paper with dashed lines using T square. Using the 45 degree triangle, draw diagonal lines to create the star and the star.

Constructing Star and Box Overlap Pattern using T Square and Triangle

The construction of a star with square overlapping each other using a triangle and T square. This image…

A problem exercise to construct a star overlapping square using a triangle and T square. The image is drawn by dividing the paper with dashed lines using T square. Using the 45 degree triangle, draw diagonal lines to create the star and the star.

Constructing 4 Point Star Overlapping Box Pattern using T Square and Triangle

A problem exercise to construct a star overlapping square using a triangle and T square. The image is…

An exercise problem drawing a series of horizontal lines using a straight edge or triangle without using a T square.

Horizontal Solid Line Drawing Exercise

An exercise problem drawing a series of horizontal lines using a straight edge or triangle without using…

An exercise for mechanical drawing to construct a series of horizontal lines. The solid lines are drawn without using a T square, while the dashed lines are produced using a T square.

Horizontal Solid and Dashed Line Drawing Exercise

An exercise for mechanical drawing to construct a series of horizontal lines. The solid lines are drawn…

This folding square is also known as a t-square which is a technical instrument, primarily a guide for drawing horizontal lines on a drafting table.

Folding Square

This folding square is also known as a t-square which is a technical instrument, primarily a guide for…

A drawing exercise for drawing eight concentric circles by dividing the paper in quarters as shown. When doing the exercise, the center cannot be enlarged as the circle gets smaller. The exercise is done in ink with fine lines.

Drawing Exercise Eight Concentric Circles using Ink

A drawing exercise for drawing eight concentric circles by dividing the paper in quarters as shown.…

Mechanical drawing exercise of drawing dotted lined concentric circles. The circles are first drawn by dividing the paper into quarters, then draw the circles in pencil. Ink dotted lines on the penciled circles.

Dotted Lined Eight Concentric Circles using Ink and Pencil Drawing Exercise

Mechanical drawing exercise of drawing dotted lined concentric circles. The circles are first drawn…

An inscribed circle pattern exercise for mechanical drawing. The pattern is drawn by dividing the horizontal line into half inches. Using a compass, draw the large circle then the smaller circle tangent to the bigger circle using a bow instrument.

Drawing Exercise of Inscribed Circle Pattern Tangent to Left Side

An inscribed circle pattern exercise for mechanical drawing. The pattern is drawn by dividing the horizontal…

A mechanical drawing exercise of a circle with curved wavy lines. The image is drawn by dividing horizontal lines into half inches, and draw smaller half circles within the large circle.

Mechanical Drawing Exercise Circle with Wavy Curved Lines Inside

A mechanical drawing exercise of a circle with curved wavy lines. The image is drawn by dividing horizontal…

Mechanical drawing exercise for circle with two tangent points on both sides of the circle. The paper is first divided into quarters, then the large circle is drawn. Smaller circles are then drawn within the circle tangent to the horizontal line.

Inscribed Circle with Smaller Circles at Tangent Points Both Sides of the Large Circle Mechanical Drawing Exercise

Mechanical drawing exercise for circle with two tangent points on both sides of the circle. The paper…

A mechanical drawing exercise of drawing a curved line with circle in the middle. The image is drawn by drawing a small circle in the middle. The curved lines around the circle is drawn by using the ticked line as the radius.

Curved Line with Circle Mechanical Drawing Exercise

A mechanical drawing exercise of drawing a curved line with circle in the middle. The image is drawn…

"With a 45 degree triangle draw lines AC and BD through the center and construct three squares. Set the bow—pencil to a radius of 3∕8' and describe a circular arc in the corner of each square just touching, but not intersecting, the sides of the square. Ink the circular arcs first." —Anthony, 1904

Mechanical Drawing Exercise Three Inscribed Squares with Rounded Corners using Triangle and Bow

"With a 45 degree triangle draw lines AC and BD through the center and construct three squares. Set…

A mechanical drawing practice problem of shading the sides of the inscribed circles. The darker area shows where the light is not hitting the image making the 2D image look 3D. These shadings are done in pen.

Mechanical Drawing Exercise Shading Sides of Inscribed Circle with Ink

A mechanical drawing practice problem of shading the sides of the inscribed circles. The darker area…

An exercise to shade small circles with bow pen for mechanical drawing. The paper is first divided into 4" square. At each corners, draw a 3&fras;8" diameter. The shading is done by reducing and increasing the pressure of the bow while drawing the circle.

Mechanical Drawing Exercise Shading Sides of Small Circles with Bow Pen

An exercise to shade small circles with bow pen for mechanical drawing. The paper is first divided into…

Mechanical drawing exercise of shading squares and circle in ink. The squares are first drawn with the right angles, then rounded off with a compass. Using a pen, the sides of the shapes are darkened to show points where no light is hitting the image.

Mechanical Drawing Exercise Shading Sides of Inscribed Squares and Circle with Ink

Mechanical drawing exercise of shading squares and circle in ink. The squares are first drawn with the…

A practice exercise for mechanical drawing to line shade the plate with elliptic holes. The plate is drawn by creating the ellipsoid shapes. Then carefully draw diagonal lines onto the background of the ellipses with pen.

Mechanical Drawing Exercise Line Shading Plates with Holes in Ink

A practice exercise for mechanical drawing to line shade the plate with elliptic holes. The plate is…

"This is a practice in the joining of shaded arcs, the smaller of which should be drawn with the bow—Pen, and the larger with the compasses. The section lining must be done only in ink." —Anthony, 1904

Mechanical Drawing Exercise Line Shading Plates with Joining Arcs in Ink

"This is a practice in the joining of shaded arcs, the smaller of which should be drawn with the bow—Pen,…

This is an architectural tool, which facilitates the use of drawing straight lines and right angles, similar to modern T-squares.

Drafting Appliance

This is an architectural tool, which facilitates the use of drawing straight lines and right angles,…

A straightedged strip, as of wood or metal, for drawing straight lines and measuring lengths.

Drawing Ruler

A straightedged strip, as of wood or metal, for drawing straight lines and measuring lengths.

A T-shaped or L-shaped instrument for drawing or testing right angles.

Folding Square

A T-shaped or L-shaped instrument for drawing or testing right angles.

A drawing of Pope Pius IX. He was the pope from June 16, 1846 until February 7, 1878. Pope Pius IX is known as the longest reigning pope in church history.

Pope Pius IX Sitting

A drawing of Pope Pius IX. He was the pope from June 16, 1846 until February 7, 1878. Pope Pius IX is…

A triangular nanogram star with 9 points. This nine point star is created by drawing nine diagonal lines at an acute angles, creating a triangular look.

Triangular Nine Point Nanogram Star

A triangular nanogram star with 9 points. This nine point star is created by drawing nine diagonal lines…

"Hydra viridis, the freshwater polyp. The animal is attached to the stem of a plant, and is represented with the base of attachment uppermost; the mouth, not actually seen in the drawing, is at the lower extremity of the body, surrounded by the circle tentacles." — Encyclopaedia Britannica Company, 1910

Freshwater Polyp

"Hydra viridis, the freshwater polyp. The animal is attached to the stem of a plant, and is represented…

A T-shaped ruler, used primarily in mechanical drawing, having a short crosspiece that slides along the edge of the drawing board as a guide to the perpendicular longer section in making parallel lines, right angles, etc., and as a support for triangles.

Adjustable Drafting T-Square

A T-shaped ruler, used primarily in mechanical drawing, having a short crosspiece that slides along…

This blackboard marker is a tool used to guide blackboard user while drawing horizontal, vertical and diagonal lines.

Blackboard Marker

This blackboard marker is a tool used to guide blackboard user while drawing horizontal, vertical and…

An ancient caricature of dragons fighting.

Assyrian Caricature.

An ancient caricature of dragons fighting.

A drawing of three rabbits.

Three Rabbits

A drawing of three rabbits.

"Fighting as pictured in the Bayeux tapestry, a contemporary work."—Gordy, 1912

Pictured Fighting

"Fighting as pictured in the Bayeux tapestry, a contemporary work."—Gordy, 1912

A cartoon drawing of soldiers entering a dark cave where a giant resides.

In Doubting Castle

A cartoon drawing of soldiers entering a dark cave where a giant resides.

A cartoon drawing of two people discovering the Celestial City.

The Celestial City

A cartoon drawing of two people discovering the Celestial City.

From the story Gulliver's Travels, a drawing of Gulliver and the king.

Gulliver and the King

From the story Gulliver's Travels, a drawing of Gulliver and the king.

"Picture writing of the Tahltan, a British Columbia tribe. The drawing was done in charcoal on the blazed trunk of a tree. The meaning is: 'Using a raft, I shot three geese.'"—Webster, 1913

Indian Picture Writing

"Picture writing of the Tahltan, a British Columbia tribe. The drawing was done in charcoal on the blazed…

This design of an ironing table allows for unique placement on a door or window.

Ironing Table

This design of an ironing table allows for unique placement on a door or window.