Brio - Mechanical Switch - Signals

This is an accessory/add-on to the Mechanical (Geared) Interchange/Switches that I designed earlier:

Brio - Mechanical (Geared) Interchange/Switch O1/P1 Track
https://www.thingiverse.com/thing:4813429

Brio - Mechanical (Geared) Interchange/Switch M1 Track
https://www.thingiverse.com/thing:4793935

Basically, after attempting the ambitious Signal Lights (https://www.thingiverse.com/thing:4807078) I discovered that these don't work that well if you have a 2 year old in the house that takes after Wreck It Ralph.  I sought to design something that was more simple in assembly and didn't require a reprint of the core track to create.

The design is meant to evoke a dwarf signal such as what one may find here (https://en.wikipedia.org/wiki/Railway_signal#/media/File:CSX_BAILEY-Marc-1-CPL-Dwarf-STOP.jpg).  It is not perfect in that since you are relying on the knob to drive the signal 90 degrees you only have four options.  However if all you are looking for is some for tactile pla