Looking for Some Terminology

[Irranshalee]

I am designing one of my planes to be a flat world where if you walk far enough, east becomes west, north becomes south, etc. Does anyone know the correct term used to describe such a reality?

[Orthos]

So rather than have an edge, the world just loops back on itself - you step off the west edge and end up on the far east side?

The best term I can come up with off the top of my head is "wrap-around reality", hardly technical though.

[Excaliburproxy]

Escherplaats (Escher place; referring to the artist MC Escher)
Euclidnaught (as in not euclidean)
Mobius (like a mobius strip which is an example of a nonorientable surface)
Kleinort (Klein place; named for the Klein bottle which is another nonorientable surface)

[marcryser]

If you are standing on the inside surface of a hollow sphere, it will appear to be the space you are describing. The sun/moon is in the actual center of the hollow space.

http://en.wikipedia.org/wiki/Dyson_Sphere

[Irranshalee]

I love the Dyson Sphere but it will not work for what I need. I do like that idea though and I will use it for one of my other planes.

I think Mobius strip is perfect. I can use "self-contained expanse" in conjunction and get my point across. Thank you so much guys !