Low poly 3D models.
Grand_piano: __ polygons - 683 ; __ Vertices - 1041
Contrabass: _polygons - 259 ; _ Vertices - 278
Fiddlestick: __ polygons - 204 ;__ Vertices - 213
Violin: _polygons - 253 ; _ Vertices - 272
The grand_piano has two files OBJ :
one preserved monolithic;
the second is saved so that you can animate pidalki, keys and the lid of the piano.
All other models have one file.