Figure 3

The successive advancement of the unit cell of proposed model as: (a) Design step 1, (b) Design step 2, (c) Design step 3, (d) Design step 4, and (e) Proposed model.

The successive advancement of the unit cell of proposed model as: (a) Design step 1, (b) Design step 2, (c) Design step 3, (d) Design step 4, and (e) Proposed model.