Unit 1ProjectionsHARD
Line Perpendicular to a Given Plane
Draw a line 50mm long perpendicular to a plane that makes 40° with HP and is perpendicular to VP. One end of line is in the plane and 30mm from both reference planes.
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Solution Diagram
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Step-by-Step Construction
- 1
Draw the traces of the given plane
- 2
A line perpendicular to plane appears as a point in edge view of plane
- 3
Draw auxiliary view showing plane as edge (inclined at 40°)
- 4
In this view, draw line perpendicular to edge, length 50mm
- 5
Project this line back to front and top views
- 6
Verify one end lies in the plane (on plane's traces)
- 7
Other end will be 50mm away measured perpendicular to plane
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