I made this cover for my folding bike seat post to not scratch it and floor as it is used as one of the stand points for it.
It's a tight fit, needed some hammering for it to not push itself out.
I recommend more infill, bottom layers and wall loops for wider part for it to be more rigid. I used:
Printed mine using Fiberlogy TPU (Fiberflex 40D), 0.2mm,
The author marked this model as their own original creation.