We also found a very well described student chemistry lab class on the topic, but it’s in German.
they first make their own molds from agar, like buttons… the day before.
Galalith_Anleitung_studenten.pdf (1.0 MB)
The process is also describing from Milk to the curd, then dissolve it in NaOh, cast it into the agar, and the precipitate it in acidic Sodiumsulfate, and finally cross-link it in some vinegar NaCl solution.