Oil catchcan

Update:
Printed and assembled. Smoothed it off with an acetone treatment, then let it dry. Placed it into the oven at 60C to check if it could handle a hot engine bay. NOPE, bubbled up and deformed badly.
Lesson learnt, will either have to print this in something really high temp rated, or have it machined out of metal and threads/seals added to parts for attachment.

My car has a little problem with oil/moisture on it's positive crankcase ventilation circuit, so I've created my own catch