Designed for 12x60mm or 74mm carts. If you need a different size, just leave a comment.
0.25mm tolerance, 0.375mm crush fitting.
Lady: 17in thigh circumference
Gent: 24in thigh circumference
If you're unsure which one to go with, just go with the gent.
The TPU part is meant to be printed in TPU, obviously. Or you can make a mold and cast it in silicone. Not sure how effective it is at keeping water out. It still works without it though.
The author remixed this model.
remade just for carts