improve the communication using simulation tools

I need you to design some of buildings using packet tracer and connect between them 6 building connect using 2 cores switch. every building contain of disrtbuted switch and it has 3 level. each level has access switch contain of set of pc's and laptops, if it possiple add at lest one router. First design one building then copy it many times then connect all buildings using 2 cores Give the IP (you can make it dynamic) and try the connection. If you want I have pictures about the idia and taple that have all the information about the buildings and the way of connection. I will send it to you