SuperDuper, fits everywhere, general purpose ultra slick shock absorbing filament guide

Preliminary Note: This guide is NO JOKE and performs better than ANY I have seen here !

You will need:
A paper clip (2 cm is fine)
Teflon tube ID 2, l 10
A piece of rubber 10 by 40 (large rubber band or cut from old tire inner tube)
Tools
A sense of humour
A pair of scissors
SuperGlue


3D printed spool, switch, sensor ... holders, fan ducts AND filament guides represent a major breakthrough, a revolution permitted AND required by 3D printers. Not one single day without a myriad of