A simple holder made for ptfe tube that came with esun ebox lite that replaces stock spool holder. The hole is 6 mm in diameter and the tube snaps in it with a little bit of force. Probably won't work well for tall prints.
ender3v3se_tube_holder_4mm.stl | 114.7KB | |
ender3v3se_tube_holder_6mm.stl | 126.6KB |