In 2014, I participated in the Secret Santicore swap. My dungeon the Golem Spa (or Golem Complex as it was printed) was an interesting take on an ancient underground assembly lab for a gigantic metal golem… and its female companion.
I wrote about it a bit here when it was released in early 2015.
You can download the PDF of Santicore here. The Golem Complex starts on page 16.