Want to do some shunting? Use these!

Uses the standard 188mm C-Rail track piece by https://www.thingiverse.com/milkx/designs

Types:

A - Ramp uncoupler (works with Tension Lock couplers)
B - Operating Uncoupler (works with Kadee and horn Hook couplers)(Requires assembly)
C - Fixed Uncoupler (works with Kadee and horn Hook couplers with taller posts to uncouple)