Optimizing the Design
1. Click > . The Mass Properties dialog box opens.
2. Click Preview.
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Note the total mass of the model as displayed in the Mass Properties dialog box.
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3. Click OK in the Mass Properties dialog box.
4. In the Model Tree expand 
Group LOCAL_GROUP_2.
Group LOCAL_GROUP_2.5. Select Sketch 2.
6. Click > 
Extrude to open the Extrude tab and perform the following actions:
Extrude to open the Extrude tab and perform the following actions:a. Click 
Extrude as solid.
Extrude as solid.b. Click 
to change depth direction of the extrude.
to change depth direction of the extrude.c. Click 
Remove Material.
Remove Material.d. In the Options tab change the depth option from 
Blind to 
To Next.
Blind to To Next.e. Click 
to apply and save any changes you have made in the Extrude tool.
to apply and save any changes you have made in the Extrude tool.
7. In the Model Tree select Sketch 3.
8. Click > Extrude to open the Extrude tab and perform the following actions:
Extrude to open the Extrude tab and perform the following actions:a. Click Extrude as solid.
Extrude as solid.b. Click to change depth direction of extrude to other side of sketch.
to change depth direction of extrude to other side of sketch.c. Click Remove Material.
Remove Material.d. In the Options tab change the depth option from Blind to To Next.
Blind to To Next.e. Click to apply and save any changes you have made in the Extrude tool.
to apply and save any changes you have made in the Extrude tool.
9. Select Extrude 4 and 5 in the Model Tree. Press CTRL for multiple selections.
10. Click > 
Mirror. The Mirror tab opens.
Mirror. The Mirror tab opens.11. Select 
RIGHT as the mirror reference.
RIGHT as the mirror reference.12. Click 
to apply and save any changes you have made in the Mirror tool.
to apply and save any changes you have made in the Mirror tool.
13. In the Model Tree expand 
Sweep 1.
Sweep 1.14. Click Section 1, right-click, and select 
from the shortcut menu.
from the shortcut menu.15. Change the diameter from 10 to 13.5.
16. Click 
Regenerate in the Quick Access Toolbar.
Regenerate in the Quick Access Toolbar.17. Click > . The Mass Properties dialog box opens.
18. Click Preview. Notice that the total mass of the model has increased.
19. Click OK.