parabolic refletor antenna design help

I want to design a parabolic antenna with small weitht and can be portable . I think that its configuration and materal of the paraboloid reflector is very important . Anyone who has design such portable parabolic antenna can provide some message , I will thanks a lot.

One method of construction is to make it from several identical subsections. They are stacked on top of each other for transport and bolted together for operation.