Mountain Bike Trail Markers

I designed these to mark the Mountain Bike Trail we made on my property.
The sign is about 120mmx120mm and the arrows are about 100mm long.
If you have a single extruder printer you may want to modify your Gcode to "Pause" at some point to change filament color. I printed black on yellow. The arrows are yellow only.
They were not designed with holes for screws. It's simple enough to just drill though them to trees. They can be resized to you needs quite nicely.