This is not your simple box-model - expect to spend some time on it. But I think the results are worth it!
And, I got to play with fire! (Burning the paperclip for the metal parts...) :-)
The well itself is only 1" square, making it smaller than other's I built, but the attention to detail (and the very good instructions) make the piece.
And it's pay-what-you want. What else can you ask for? And now there are cutfiles (see comments)