Unit 1ProjectionsHARD
Auxiliary Inclined Plane Method
Using auxiliary inclined plane (AIP) method, find the inclination of a line AB with HP. A is 20mm above HP and 25mm in front of VP. B is 55mm above HP and 60mm in front of VP.
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Solution Diagram
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Step-by-Step Construction
- 1
Draw front view and top view of line AB
- 2
Pass an auxiliary inclined plane (AIP) through the line, perpendicular to VP
- 3
In this AIP, line AB appears in true length
- 4
Top view of AIP is perpendicular to XY
- 5
Draw the rabatment of AIP on HP
- 6
In rabatted position, line shows true length and true angle with HP
- 7
Measure the angle - this is the required inclination
Pro Tips
- •Always verify your measurements with a scale before finalizing the drawing
- •Use construction lines lightly and darken the final solution
- •Label all important points and reference lines clearly