The file 'The Legend Of Zelda: Skyward Sword Small Key 3D Printer Model' is (stl) file type, size is 1.3MB.
Here is another small key from Zelda, this time from Skyward Sword. I also have a key from Twilight Princess.
Only found in Skyward Sword, this key appears multiple times in each dungeon. After finding one of these keys, you can advance into the next room.
Skyward_Sword_Small_Key.stl | 3.8MB |