Awesome and thanks for sharing the pictures!
some other shit I have designed and made:
carbon fiber rudderbox:
carbon fiber concept speaker system:
if the back is flat, i generally lay the part on a sheet of wood and use clay to mold it into the board, wax the whole thing, build my mold with as big of flanges as i need, then afterwards everything comes apart…
What high temp system did you use? Who distributes it?
lots of polishing.
heres another example of a mdf flange I did:


