Linear pipe

Use the following AUTOCAD command:
1. circle
2. offset
3. extrude
4. line
5. subtract

Method:

1.Draw a circle with the radius value of 50mm whereas the thickness value is about 5mm offset.



2.Switch the current view into SW isometric then create a straight line about 400mm directly to the center point of a circle.



3.To begin the extrusion of an object enter the command extrude then select the two circle followed by typing the word Path. Currently select the line or what we called the extrusion path then press the enter key to see the result.



4.Use shade command to hide from view of isoline.



5.Take away the unnecessary objects. Use the command subtract:








6. then press ENTER.

7. select solids and regions to subtract.


8. Finally press the key ENTER


RESULT