I don’t really know what the state of the art in 3D scanners is, but my guess is you’d get a cleaner STL file (less complex, less weird artifacts of scanning) from making the design yourself in a CAD program.
I dunno but see IMSLP.org for lots of classical sheets if that’s your thing. lvl1 piano
I dunno about the qualilty but I do yt-dlp -x
and it downloads and extracts just the audio portion.
Ah, the “play store”. Happy playground of spending! Starting off on the wrong foot with just the name. Of course its a trashed up ad spew bucket and dark pattern shitehole.