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Figure 1: With the closed cell design, cell geometry connects consistently throughout forming complete and bridging cells. With expansion, the individual cells do not merge to form larger open areas. All connections should connect at least three elements. With the open cell design, cell geometry does not connect consistently throughout, forming incomplete and non-bridged cells. With expansion, the individual cells merge to form larger open areas.

Figure 1: With the closed cell design, cell geometry connects consistently throughout forming complete and bridging cells. With expansion, the individual cells do not merge to form larger open areas. All connections should connect at least three elements. With the open cell design, cell geometry does not connect consistently throughout, forming incomplete and non-bridged cells. With expansion, the individual cells merge to form larger open areas.