Hi everybody, have you figure out the answer?
Congratulation to those got the answer, for those still thinking the answer, please try this.
Apply Extrude feature for 3D sketch. 3D sketch allow you to put multiple sketch entities at different layer at a time.

Draw a well defined 3D sketch, then apply the Extrude feature. Define the direction of extrution (going up), and using Selected Contour to define the sketch.

Now you have your answer. Let’s try this. (same method)

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