Having-fun
because I am under the impression that only wood models can be build to museum standards and are the only one the are fairly big in size.
Well, museums have lots of "standards," there's not a single unform list you can go by.
"Big" is relative, too.
The OOP Container ship is a huge vessel, and a pretty big model as well.
Merit's 1/200 series of ships are certainly huge enough (USS Missouri is near 4.5' long)
And, there's no arguing over the Tumpy 1/48 U-Boot, which is about 4' long.
Revel's USS Constitution is 1/96, and builds to more than three feet (you'd need a case about 4' x 2' x 3' to put it in, and that would be a hair tight). There are a couple 1/100 versions of HMS Victory that are bigger than the 1/96 Constitution.
One of the issue in plastic wood sailing vessels is the factor of hull thickness. The Revel Constitution has a hull that's around 0.085" thick. The actual hull is closer to about 24" thick, 0.25" on the kit. Several of the plastic kit makers make similar "shortcuts" so that the outside is (reasonably) correct, but, you wind up making some significant changes to get results that match your research. (There are some excellent builds of Victory, Constitution, and SR here, sadly, the Search function does not make it easy to find them.)
A similar situation erupts with European kit makers. They give you parts, you are left to manipulate them into completion. What they seldom are, is to scale. And, out-of-scale does not exactly scream "museum" to me.
If you need a peak down the rabbit hole, sign up over at Model Ship World, where they take their scale modeling pretty seriously. Which is why so many of the builds over there are 100% scratch-built. (Many of the builds from kits will have high scratch content as well.) And, that level of commitment to accuracy is a powerful thing. C.Nepan Longridge decided to make a scale replica of Victory. At 1/48 scale. So, a hull in the 5' long range. If memory serves, it sits in a 7' or 8' long case. He hand-cut each of the "anchor stock" planks of the wales indiviually. Also each and every frame in the real ship wa replicated.
Lots of folks building to that level of quality, not all their product winds up in museums. Or spend a couple decades on a build (if somewaht reasonably delayed by WWII).