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Now that we have gotten the hang of this business, we can create the remaining keypoints and areas in our sleep (remember to wipe the drool off the keyboard):
K,7,0,L1/(2*NSY),H2
K,8,0,L1/(2*NSY),H3
K,9,W1/(2*NSX),L1/(2*NSY),H3
A,3,4,7,5
A,5,7,8,9
Utility Menu > Plot > Areas
The geometry should look like this:
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