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Now we create the hole by subtracting the round area from the rest of the crank.

Main Menu > Preprocessor > Modeling > Operate > Booleans > Subtract > Areas

First pick the body of the crank and click OK. Then pick the hole, and click OK again. The result is shown below.

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To create the other half of the crank, we will reflect the current area about the Y-Z plane.

Main Menu > Preprocessor > Modeling > Reflect > Areas

Click on Pick All. The Y-Z plane is selected by default, so click OK. All that's left now is to add the two halves of the crank together.

Main Menu > Preprocessor > Modeling > Operate > Booleans > Add > Areas

Click on Pick All. The result is shown below. Image Added
 

Creating Keypoints for the Cut-out Region

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