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Lego has somewhat recently started a theme called Xtras, if case you weren't aware. They have a variety of odds & ends great for detailing builds. They do have some printed tiles in a few of the packs, but probably not quite the variety you're after. If you can't find the printed elements needed for your build elsewhere, you might try the 853921 sticker ...
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All of the decorations in the LEGO Juniors (now called LEGO 4+) sets are printed, and they tend to have a lot of nice decorations. Decorated parts in the LEGO Ideas sets are also almost always printed, but double check this because at least some of the sets also have stickers.
There is not one set which is going to be full of printed parts, and sets with ...
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I have actually tried 3d printing lego on a prusa i3 printer at I think 5 microns using PLA. I found that they worked fine initially but they quickly started to lose their grip. I think the issue was the layers grind against each other which wears them down rather than the brick walls flexing to grip. You certainly won't be getting anything close to the ...
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I just thought of a new method: Order custom sticker sheets and apply the stickers. Might be tough to get the color right, though.
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