With my crutches I had difficulties opening/closing doors and pushing pulling chairs. Yesterday I said I need something clamped on the crutches which could help me in my daily life... here it is and it made my life so easier!!!
The uploaded stl is for a 19mm diameter rod.
The OpenScad file need the awesome library “GoPro customizable mounts, and a library to expand”
See also the “Crutches Nespresso cup holder”
The author remixed this model.