After attempting the middle part of the model using the complex triangular structure, I felt that it hid a large portion of the desired focus. Moreover, it also added to give the impression that the structure was smaller than intended and took a lot of space. 

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In addition to choosing the second layout, I have also endured unexpected changes along the way such as adding the greenery and small rocks. I also found that sand paper softened the texture of the wood and flattened the sharp edges.