Here is the dairy with modifications. As it is an exemple, I wrote some comments to know if you agree with or not, dairy isn't the simpliest building as Giants make it unbalanced from the begining.
https://www.transfernow.net/dl/20250805wa2ILvHU
I saw you asked to a modder the rollercoaster building. why not using the vanilla id3D ? Or the "agroforests" edition where there are already cement using (but the global recipe is unbalanced in time, need 12 years to build).
Did it work with Fusion ?