I am bumping this thread up in an effort to destash. Apparently soapmakers aren't interested in high cost molds! Don't blame you. So I'm wondering if $200 seems more reasonable? The only difference from my original post is that I have now used it. No problem with releasing.
https://www.soapmakingforum.com/threads/new-hdpe-divider-mold.72516/
https://www.soapmakingforum.com/threads/new-hdpe-divider-mold.72516/