Let trains through from both exits, while trains entering it turn right.
EDIT: Working, tested prototype :-)
Anybody wanna try? :-)
Combined with a classic splitter (or one with the needle removed), it should allow a scenario with f.e. trains crossing.
Also check my special rails to allow new electric trains under old bridges :-) https://www.thingiverse.com/thing:1104257
brio_splitter_auto_right_two_ways_1-2.stl | 840.9KB | |
brio_splitter_auto_right_two_ways_2-2_needle.stl | 103.0KB |