The Elves and the Shoemaker

He had leather enough for one pair left and no way to buy more. He cut it out at evening and went to bed poor, and by morning the shoes stood finished on the bench, stitched finer than his own hands could stitch them.

It went on that way for exactly as long as he did not watch. The night he hid at the window to see whose work it was, the work was done for the last time.

— after the Brothers Grimm, Kinder- und Hausmärchen, no. 39