I personally align it so it drips on the exhaust pipe, helps take care of some oil, rest always makes it on the belly....
With a new engine blow-by is not such a problem, so oil separator yet for this airplane. I have never used a "whistle cut" before in the pipe, but the thinking has its merits for sure. Would have be one solid block to stay put in the event of blockage by.....???? but it can/does happen, usually on planes that have sat for many years and such.
Dues paid 2017
RV7 built & sold, 500h of pure joy in the air: sold
RV10 slow build & flying & loving it