Tutorial: How to model a propelling pencil

Aykut Dana

10 Mar, 2012 11:43 AM

part 1

1. Step 1:

   draw shown circles on th top plane
   

   

2. Step 2:

   exturde it 68 mm
   

   

3. Step 3:

   open a sketch on the body and draw shown sketch
   

   

4. Step 4:

   extrude it 15 mm
   

   

5. Step 5:

   open a sketch on this surface
   

   

6. Step 6:

   draw shown lines. be attention that shown point have to be coincident with circle. and the line have to be horizontal
   

   

7. Step 7:

   add shown lines
   

   

8. Step 8:

   use trim command. make your sketch like this
   

   

9. Step 9:

   use mirror command.
   

   

10. Step 10:

    now please change shown diameter. make it 1,75mm.
    

    

11. Step 11:

    exturde it. enter shown values

    Next: http://grabcad.com/questions/tutorial-how-to-model-a-propelling-pencil-2