I want to make a life-sized model of Sputnik.
The original Sputnik looked like the one in the picture. My goal is to make a model that is life-sized and pretty good looking. Coolness is paramount; precision and accuracy are not.
Does anyone have ideas about how to make the sphere part easily?
The criteria for my model sphere is that it needs to be:
Roughly 60cm in diameter (I believe the original was ~58cm)
Strong and rigid enough that I can attach the four antennas
Light enough that I can hang it from my ceiling
It is okay to be a little rough (i.e. it doesn't need to be polished steel or whatever)
Right now I'm thinking I should get a bunch of pieces of hard-cell foam, stack and glue them, and carve a sphere. Then I'll sand it smooth and spray paint it silver. Is this a good approach?
Any other ideas for the project?