There would be a day—there must be a day—when he would come back to Gramarye with a new Round Table which had no corners, just as the world had none—a table without boundaries between the nations who would sit to feast there.
T.H. White, The Candle in the Wind
I mean, physically. And I mean any big sheet.
Folding’s Good
At least for thin paper1 the standard topographic map fold is reasonably intuitive to users, gets the map rolled up small enough to put into a hard folder or some other form of protection for transport, can leave a portion of the map visible2, and doesn’t cause a lot of disruption.
Rolling a map into a cylinder can work, but unfolding these proves a little tricky and you’ll need to weigh down the sides because the paper’s eager to re-scroll itself. At the scale of a full table sheet, it’s hard to get a shell that gives any more protection than a flat paper would get, and the cylinder can get bent easier.
It’s a cleaner view - especially if you do have to write at points that would be seams in a folded map - but after several campaigns with these types of sheets I think the fold is superior.
There’s actually a third solution which is to split it up into separate papers that then are reassembled on the table. Don’t do this unless you have to.
You’ve got one shot
Double-sided printing isn’t easy to get for these kinds of prints, and swapping the really big map takes a long time3. Also, you lose the information from the second map.
I think you’ve only got one viable big map, if you’re going for full size support. You may be able to get multiple larger-than-character-sheet reference guides out there on the table, but only one big one.
Footnotes
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If you have thicker materials at some point rolling probably becomes the only viable option. The creases become really thick and it doesn’t bunch up a lot. ↩
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Helping you identify it if you have multiple. ↩
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Even if you did double-side print, flipping it may be a bigger task than you imagine, especially if you’ve been using tokens on it. ↩