Step 1) open up any of our prior documents that we are done with and delete the prior work
Step 2) Create this sketch with these dimensions. The lines from the circle to the rectangle must be tangent to the circle.
Step 3) Extrude the smaller inside circle 50 mm:
Step 4) the outer circle and the rectangle should have a 25 MM extrude
Step 5) The connecting shape is a 10 MM extrude
Step 6) Create your own shape and do a revolve