Seen so many models, no-one can answer how long they last.
I had a pair of 3D printed beach shoes that lasted almost 2 years.
They only failed once I actually put them on and tried them on a 35ºC day on the beach…
While sitting in the shelf they were fine 
5 Likes
depends how good your tpu profile is for the tpu you’re printing
If your layer adhesion is ■■■■, the shoes will last three minutes
I have some TPU clogs I printed in 2022 and they’re for going outside to the utility room, they’re still going strong after getting used almost everyday
thank you for replies, all. i shall experiment with designing some shoes.