Oblique Sketch
Look at the
picture of a cube given here.
It is drawn on a flat surface, but the picture gives us an idea as to how a cube looks like. Although the surface on which it is drawn is two-dimensional, the image looks three-dimensional. It is only a visual illusion.
To draw a solid (3D shape) on a
paper, we can use various techniques. There are mainly two techniques to draw
solid shapes on a paper.
(1) Oblique sketches
In this article, you will learn to
draw oblique sketch.
What is an Oblique Sketch?
In the above figure of the cube, the
sides of the cube drawn are not of the same measure as they are in an original
cube. Sketches of solids that give a correct idea of the shape even though the
measurements are not same are called oblique sketches.
These oblique sketches are drawn on a
squared sheet or on a graph paper.
Oblique Sketch Definition
In an oblique sketch, our motive is to
draw a 3D shape on a paper such that the image looks like the given 3D shape.
Its size might be smaller or bigger than the given 3D shape and some of its
faces are not visible. Still, we can recognise it as a 3D shape. Such sketches
of solids are called oblique sketches.
Oblique Sketch of a Cuboid
We can draw the oblique sketch of a
cuboid with dimensions 6 units × 3 units × 4 units as explained below.
Step 1: Take a dotted sheet. Draw the front
face with dimensions 6 units × 4 units.
Step 2: Draw
the opposite face such that its size being the same but the sketch is to be
offset from the front face.
Step 3: Join the corresponding corners (vertices).
The oblique sketch of the cuboid is drawn.
Oblique Sketch of Cube
We can draw the oblique sketch of a
cube with side 3 units as explained below.
Step 1: Take a dotted sheet. Draw the front
face with dimensions 3 units × 3 units.
Step 2: Draw
the opposite face such that its size being the same but the sketch is to be
offset from the front face.
Step 3: Join the corresponding corners (vertices).
The oblique sketch of the cube is drawn.
Example: Draw an oblique sketch of the following cuboid.
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