There was a phenomenal folded refractor on this forum back in the late 2000's... I can't remember who it was... Dietmar perhaps? had a Thomas M. Bach 9" F/9 triplet APO that he built a folded body for... it was an absolute galaxy hunting weapon!
Edit: Found it - it was Dietmar Hager...
https://www.iceinspace.com.au/41-465-0-0-1-0.html