Dry Box PTFE Filament Roller with Stabilisers
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Dry Box PTFE Filament Roller with Stabilisers
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Dry Box PTFE Filament Roller/stand with Stabilisers
Note: to fit the Gunpla specific cereal boxes (they have hexagons on the lid), i cannot comment if it will fit other, please check the Gunpla requirements
This all came about due to not wanting rollers in my Gunpla designed Cereal Filament Dry Box, i found the bearings didn't move (even after stripping, cleaning and lubricating) and due to having an AMS i didn't really need this as a filament roller, handy, of course but not essential, it was more about storage and i wanted a cheap stand so the roll of filament was at least secure in the cereal box. After i made the stand i thought why not add some PTFE so if i do ever want to use it as a roller I can! then it was a case it rolled so well that i needed stabilisers for the the smaller spools! and what you see now is what i came up with!
This should be capable of holding all spools up to 1kg in size (i used 200mm and 160mm diameter spools when testing) , I haven't tested every spool size and shape, and i haven't tested it as a long term roller, no doubt the PTFE will wear, but its cheap to replace.
Other than the printed parts you will need 285mm of 4mm diameter PTFE tube (old bowden tube, etc), internal diameter does matter, but obviously the smaller the ID the better (makes the PTFE thicker).
To assemble,
- Add the stabilisers to the cross bar, noting the orientation (note: its a tight fit, however once you have moved them back and forth a few times they loosen a little, i wanted it tight to provide better support for the reel)
- You then need to flex the base outwards, insert each support and the crossbar in one side and then push it all together. There is plenty of flex in the printed part to insert all components without breaking it (ive printed them in PLA), once pushed together its a good snug fit (make sure your printer is calibrated) so nothing will come loose or fall out.
- Place on the cereal box lid, again this can be a snug fit, so don't be alarmed it will fit
Enjoy and please post your makes