Eibos Easdry filament roll adapter 'New versions added'

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Update.   Two new versions added.  Versions 2.1 and 2.2.   Both these new versions have a narrower inner diameter set at 50.7 with the height of both new additions extended to 70mm (previous versions were 64mm). 

2.1 is (like the original versions) a straight edged design. Meaning when stood up, the ridges that would contact the spool are perfectly straight with no deviations.

2.2 is identical to 2.1 but there are long shallow cutouts in the ridges to aid with keeping the spool centred on the adapter. I have had no issues with the original design and this change to effectively add a spool guide is probably overkill on my part. But while I was updating the files I figured I would add this one to the mix. 

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Designed to accept filament rolls with an inner diameter of 65mm and above (the outer diameter of the adapter is 64mm or 70mm depending on the one you choose). It should suit most offending rolls and was designed to give just enough lift to have the roll off the floor of the box with as little disruption to airflow as possible.

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As stock, many rolls rest on the floor of the box instead of lifted clear on the centre spindle. I didn't like that so I made this vented adapter.

The vents minimise any potential loss of airflow, while the part also has a small lip added to prevent the roll making contact with the box door while in use. 

Although you ‘can’ print just fine without the adapter and with the roll standing on the floor of the box, I doubt it would be doing the printers extruder much good and would be making it work harder to overcome the friction.

You can choose to leave the adapter in the box when putting a roll in, or you can add it after. I usually do the latter as I use the box to print from and I find it easier to add the adapter last.

Print it with the lip flat on the bed for the easiest print. Choose the filament type that suits your drying needs. Pla is obviously fine for drying pla but is unlikely to be a good choice if you are drying at higher temps for more exotic filaments or in fact any filaments that use high temps in general.

The heater of the Eibos Easedry box produces it's heat from the centre. As a result the central area will be the hottest point. Running it at too high a temperature could over-dry your filament on the roll at the point nearest the core and be detrimental to filament integrity, especially if you are only drying and not printing at the same time. The buffer area this print creates should help minimise that risk.

All the version 2 variants of this print effectively add a better airgap for airflow at the spindle and combined with the the small contact points and the fact the roll is no longer in direct contact with the spindle, it also helps to reduce the localised hotspot nearest the heater element. The print itself will obviously still be heated, but it will serve to take some of the harder heat hit away from the filament rolls core.

Version 1 is currently still in the fileset but should be considered as being there for nothing more than posterity. It is was quickly outdated by the newer variants.