u/Various_Sweet6442

https://preview.redd.it/eomvf0nrg8bh1.png?width=2560&format=png&auto=webp&s=499f0d7c47d12a8376557be0218b02dfd2bba009

Guys it's been long while since i last played rlcraft, I seem to remember there being another variant of this structure which is a little special and has something useful, but I can't remember at all.

Can anyone can help me out?