My sister Jovan and I tried our had at making soap the other day. Key learning… do it outside. The fumes from mixing the lye with water are pretty strong. Also the essential oils are so stong that they make you want to hurl.
The mold we used was a piece of 4″ ABS pipe. I had a hard time getting the soap out this morning and ended up cutting away the pipe. I later googled it, and what I should have done is freeze the whole thing first and then pour hot water on the pipe to get it all to release.