This signal cantilever is very customizable. You can assemble it with the ladder on ether side and it can be any height by just trimming the ladder. A 2mm diameter cylinder or square rod is required for the post. You can use my signal things for the targets.
Lighted Signals
https://www.thingiverse.com/thing:4148296
Unlighted Signals
https://www.thingiverse.com/thing:4025702
N_Signal_Cantilever_v2.stl | 2.1MB |