Lightweight, foldable, all-plastic / no-metal tow bar.
Print in Nylon, ideally in PA2200 on an SLS machine.
Polycarbonate may also work. I would advise against other material due to lack of UV resistance, brittleness during winter season, deforming issues during summer season.
Use at your own risk.
You will need
Test-fitted on a Cessna 172 and 152 nose gear.
The author marked this model as their own original creation.