Tutorial: How to make Dodechahedron

1. Step 1

   This a render image which have to be made.
   
   

2. Step 2

   First draw sketch in top view as show in image
   
   

3. Step 3

   Use planer surface command to fill a single base of pentagon.
   
   

4. Step 4

   Do the same for four surfaces.
   
   

5. Step 5

   The angle used is calculated with long calculations. use the same value so that no gap formed.
   
   

6. Step 6

   Do as directed.
   
   

7. Step 7

   Do as directed.
   
   

8. Step 8

   Do as directed.
   
   

9. Step 9

   Do as directed.
   
   

10. Step 10

    Do as directed.
    
    

11. Step 11

    Do as directed.
    
    

12. Step 12

    Do as directed.
    
    

13. Step 13

    Do as directed.
    
    

14. Step 14

    This is final model.