oblique form 4
TRANSCRIPT
![Page 1: Oblique form 4](https://reader035.vdocuments.site/reader035/viewer/2022081421/5559d2edd8b42a98208b4c88/html5/thumbnails/1.jpg)
CHARACTERISTIC
TYPES
EXCERCISES
CONSTRUCTION
CONCEPT OBLIQUE DRAWING
ORIENTATION
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CONCEPT
Oblique Axis
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CONCEPT
Oblique Axis
Horizontal Axis
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CONCEPT
Oblique Axis
Vertical Axis
Horizontal Axis
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CONCEPT
Oblique Axis
Horizontal Axis
Vertical Axis
Receding Axis(any convenient angle 30°, 45° & 60°)
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Receding Axis
300
600
450
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Charateristics of Oblique
Oblique LineOblique Line
Non Oblique
Line
Non Oblique
Line
Angle in Oblique
Angle in Oblique
Circle in Oblique
Circle in Oblique
Arc in ObliqueArc in
Oblique
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A
CB
E
D
G
F
H
I
+
45o
The oblique lines are lines that are parallel to any oblique axis.
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+
45o
B
A
C
D
E
H
I G
F
Any object lines that is not parallel to any oblique axis.
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A
CB
E
D
G
F
H
I
+
60o
60o
An angle on an object surface that is parallel to the front projection plane or receding plane
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+
45o
B
A
C
DE
H
I G
F
A circle that is parallel to the front projection plane is a circle of actual size while on a receding plane would appear is an ellipse.
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A
B C
D
E
H
I
An arc which is parallel to the projection plane shows its true size.
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TYPES OF OBLIQUE DRAWING
CAVALIER OBLIQUE
( D )
CABINET OBLIQUE ( 1/2
D )
COMMON OBLIQUE
( 3/4 D )
10050 75
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ORIENTATION OF OBLIQUE DRAWING
1. Circle Orientation 2. Arc Orientation
3. Curve Orientation
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Circle Orientation
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Arc Orientation
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Curve Orientation
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CONSTRUCTION OF OBLIQUE DRAWING BY BOX METHOD
450
Top View
Front View
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Example 1
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45˚
STEP 1Make a box with 45⁰
Draw a line construction according the measurement
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45˚
Find centre point and draw using compass to
create circle
FinallyDarken the object line
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Example 2
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45˚
STEP 1Make a box with 45⁰
Draw a line construction according the measurementFind centre point and
draw using compass to create circle
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45˚
FinallyDarken the object line
Construct box at the back
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Example 3
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Step 1Construct a box
with 45 ⁰45˚
Draw a line construction according the measurement
Bisect each line and mark the point A, B, C
and D
A
B
C
D
Construct perpendicular lines on each points A, B, C and D which will create four centre
with blue point
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45˚
Construct curve framemove the quartercircle
bisecting line
Finally Darken object line
Construct oblique circle by connecting the arc points
using the French or fl exible curve.
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Redraw this object in cavalier in cabinet oblique drawings.
EXERCISEEXERCISE
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Figure shows that the top and font views of objects. Draw this objects in cavalier oblique drawing. Use 10 mm x 10 mm grid.
EXERCISE
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