Its really hard to tell from this view what you are trying to do. I would 1) post your drawing and 2) create one with text so we know exactly what you are trying to create.
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Favorite Posts: Use Dynamo For Surface Analysis: https://youtu.be/eJNdX6guMP8
Fast Track your site grading with the new Corridor Workflow: https://youtu.be/Gg7u9-LgIL0
