In this step of the project firstly we produced diagrams to have some strategies about piece together our field and instance models. While I was producing my diagram I again thought the consept of contrast so I plan to merge the most dense part of my instance with my less dense part in terms of height changes in field. However, this idea has changed a bit. First I brought them together according to this idea but I applied contrast idea different way. First I created my zone in the instance as a volume and I merged it to my zone in field so I corroborate the transition part. Therefore, I create my threshold and I applied contrast idea like this : In the transition part there are fragmented and enclosed parts. However when we moving away these parts, they are dissolving and they relate with the field by helping the field to redound different heights.