Tutorial: How to make engine part 40

Intake Valve Retainer
-
Step 1:
open a sketch on the front plane
-
Step 2:
draw a centerline
-
Step 3:
continue the sketch
-
Step 4:
finish your sketch
-
Step 5:
use revolve command
-
Step 6:
confirm that
-
Step 7:
open a sketch on the shown face
-
Step 8:
draw an axis
-
Step 9:
use linear pattern command like shown
-
Step 10:
save the intake valve retainers