PTFE tub cap with tether
thingiverse
I reworked Henryarnold's PTFE tube cap design, incorporating some personal preferences. His caps are functional, but I often misplaced them due to their loose fit. To address this issue, I added a tether that securely attaches to the PTFE tubing, eliminating the problem of lost caps. The redesigned caps and tethers were printed in TPU, ensuring a snug fit and flexible tether. This modification provides improved functionality and convenience. These caps are specifically designed for 1/4" PTFE tubing, as I only had that size available for testing. However, based on the design's proportions, they should also work with 4mm PTFE tubing if resized accordingly. If anyone attempts to use them with 4mm tubing and encounters issues, please let me know so I can obtain a piece of 4mm PTFE and create an adapted version.
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