I remember the first two "Leaves" games as gentle (My wife thought they were "Charming) but Leaves 3 seems really difficult. Since I am almost 80, I may be too old for this, but I can make no headway on the big brass disk puzzle in the blue room. The first three puzzles were unique and fun, but this brass disk thing in the blue room is hurting my feelings. It confounds me. Can someone please explain the connection between the front and the back of the disk? The "Help" button says the back shows the proper path, but I don't see any connection.

I don't have the game but you are not the only person having issues playing this game, including our very own BrownEyedTigre.

There is a walkthrough if you want to take a look at it. Apparently at least some of the puzzles can be skipped also if you try and fail them enough times.

https://leaves-game.com/guide.php