- 14. Generate solid elements by shell offset
 
- go to Page 2: ElGen
 - select Solid By: Shell_Offset
 - enter Part Id: 2
 - set Thickness=6
 - set Segment=1 (see Figure 23)
 
- select 
 ByPart in the lower panel (gen select panel) 
- click anywhere on one of the shell rings
 - click Create (see Figure 24)
 - click Accept
 

- Figure 24
 

- Figure 23