Single Wide Filament Dryer Recommendations?

[Jeff Ratner]

I'm trying to decide on a filament dryer that holds only 1 spool at time. I've been bouncing back and forth between the following. Anyone have and recommend any of these? Or any others? 

Creality Space Pi 

Creality Filament Dryer Box Pro

Eibos Easdry 

Polymaker Polydryer 

Sunlu S1

Sunlu S2

Gratkit Firefly

[david merten]

I have the sunlu 2, it sat on a shelf for months intill I started using it. So far it has been great.  It's quiet in operation,  and easy to set parameters on the touch screen.

 So far only complaint is the hole for ptfe tube ( included ) that filament goes through to extruder is too large and the tube just falls into the unit. A quick print can improve that when I get a chance.

          David

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[Kurt A 3d]

I have 3  polydryers with I think 8 polydryer boxes.   In addition I have those cereal containers with desiccant in 3printed bottles that I put in the center of the spools.  I made the mistake of listening to a YouTuber and did all sorts of stuff to the cereal containers that frankly I didnt need to do.  I have also 3d printed two different styles of adaptors for the cereal containers so they can be put on the polydryer.   There is a thir better approach for this I plan on doing next.   I like the polydryers because they are easy to arrange on the floor around my XL a I can print out of them.  

I wish I could find an inexpensive cereal containers like box that would hold a 2kg spool so I could adapt that to dry 2kg Prusament spools.   

Remeember if drying Prusament you have to add screws to the spools (at least the old style ones) since the plastic sides press into a cardboard hub and when you dry it, you can have a spoolpokolipse. 

Kurt-A

[Gary Myles]

Here in New Zealand and Australia, we have Kmart, they sell a largish cereal container that can be made into a 2 wide filament dry box

https://www.kmart.co.nz/product/10l-dry-food-storage-with-scoop-43583973/ 

I have 2 of these, and could make an active drier out of them, but I prefer 5o just store filament.

They are big enough for 2 Filamentalist V3s

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[Kurt Gluck]

Gary

Cool. My wife and I have visited both New Zealand (South Island) and Australia on two seperate trips (pre covid). We are thinking of visiting Australia again (My wife wants to see the North West). So… send me more info. Maybe I will have room in my luggage :-)

Kurt-A

[Kurt A 3d]

Gary

My wife and I have visited both countries on two separate trips (one trip for each country, both of us together) and we are planning a third trip this time to the North West of Australia.  So, send me more info, always room in the luggage for a plastic container or two (especially if I stuff them with clothing).  

PS the dimensions of a Prusament 2kg spool (in freedom units :-) is 5” x 8” x 8”.  

Kurt-A

[Jeff Ratner]

Kurt:

I've read multiple complaints that the Polydryers are underpowered and struggle to reach more that 55 or 56 degrees C. Has this been your experience? I need to be able to dry PETG which supposedly needs 60 or 65 degrees C. I do like the Polydryer design. I've seen some customers print vented spacers which supposedly speeds up drying (https://www.printables.com/model/1048454-polydryer-air-exchanger)

Thanks!

Jeff

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[Bryan Murphy]

I've got the S2 as well.  It gets the job done.  The PTFE tub connection is annoying and there's not enough airflow so I recommend printing a small bracket/spacer to keep it open.  Without the spacer the moisture can't escape efficiently and I'll see it bottom out at 30-40%.  With the spacer it'll drop down to 10-20%.

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