Pretty much my experience doing that one! I used a flip magnification lens over my reading glasses for the smaller detail. The box mine came in though was a cylinder that was the same scale but only showed about 1/3rd of the complete map.Well I've finished it.
Took me forever.
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The quarter scale image on the box was little help, especially as the shading was far darker than in the puzzle, so a lot of detail was hidden. Identification was hard so when I found a place name I started resorting to Google to tell me where it was. Far easier than peering through a magnifying glass.
When I was about 75% through I sorted pieces into piles of similar shapes - 3 holes and one out, 3 outs and one hole etc. Then I just worked through the spaces.
I never thought of giving up, but I do have a fetish for maps, but this wasn't really pleasurable to do. Just a long slog. I won't be repeating it. Anyone want it for the price of postage?
Leave it on the table and paint it with mod pod off ebay or amzon. Mod pod is a hard setting clear craft paste. Give it a couple of coats and you can pick it up and frame it.Talk me through this and humour me.
It is sat on a heavy coffee table.
I cover it with cling film so it wont fall apart. Good idea that, thanks.
Do I then upturn it onto the floor?
How do I then glue it to the board?
Not sure if I posted this but followed this in principle and it worked very well.