Are you tired of wet filament? Well, then you should make a filament dry box. This filament dry box is easy to make and works well. The parts needed are listed below:

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Teflon tubing and fittings:https://www.amazon.com/SIQUK-Fittings-PC4-M10-Connector-Filament/dp/B07PV9LCLY/ref=sr_1_3?keywords=SIQUK+4+Pieces+Teflon+Tube+PTFE+Tubing%281+Meter%29+with+8+Pieces+PC4-M6+Fittings+and+8+Pieces+PC4-M10+Male+Straight+Pneumatic+PTFE+Tube+Push+Fitting+Connector+for+3D+Printer+1.75mm+Filament&qid=1637595461&s=industrial&sr=1-3

Silica dry gel:https://www.amazon.com/Dry-Desiccant-Indicating-Industry-Standard/dp/B01I5Y2DG6/ref=sr_1_1?keywords=Dry%2B%26%2BDry%22%2B%5B1%2BQuart%2BPremium%2BOrange%2BIndicating%2BSilica%2BGel%2BDesiccant%2BBeads(Industry%2BStandard%2B2-4%2Bmm)%2B-%2BRechargeable%2BSilica%2BGel%2BBeads(2%2BLBS)&qid=1637595667&s=industrial&sr=1-1&th=1

Container used (U.S.) Note: You can use any box, this is just the one I used:https://www.lowes.com/pd/United-Solutions-14-Gallon-Action-Packer-174-Storage-Tote/1003192626

Humidity gauge:https://www.amazon.com/JEDEW-Hygrometer-Thermometer-Humidifiers-Dehumidifiers/dp/B07GR65CNT/ref=sxin_14?asc_contentid=amzn1.osa.dfa3abdc-2f38-42df-9594-e90c75829ffd.ATVPDKIKX0DER.en_US&asc_contenttype=article&ascsubtag=amzn1.osa.dfa3abdc-2f38-42df-9594-e90c75829ffd.ATVPDKIKX0DER.en_US&creativeASIN=B07GR65CNT&cv_ct_cx=humidity%2Bgauge&cv_ct_id=amzn1.osa.dfa3abdc-2f38-42df-9594-e90c75829ffd.ATVPDKIKX0DER.en_US&cv_ct_pg=search&cv_ct_we=asin&cv_ct_wn=osp-single-source-pecos-desktop&keywords=humidity%2Bgauge&linkCode=oas&pd_rd_i=B07GR65CNT&pd_rd_r=d50bd85e-3432-432c-941d-74f10c54283c&pd_rd_w=o6VTU&pd_rd_wg=XGwva&pf_rd_p=f7985bdb-17c9-480e-b542-b87410a0a457&pf_rd_r=EN80B0NSNDMNKEWYWEJP&qid=1637595887&sr=1-3-c26ac7f6-b43f-4741-a772-17cad7536576&tag=thisoldhouse05-20&th=1

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Printed parts:

Humidity gauge cover:https://www.thingiverse.com/thing:5143750

Tube holder:https://www.prusaprinters.org/prints/81220-tube-holder-for-filament-dry-box

Filament guide(optional):https://www.prusaprinters.org/prints/11810-prusa-i3-filament-guide

Filament feeder:https://www.prusaprinters.org/prints/21882-angled-dry-box-feeder-with-source

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To assemble, just drill the holes for the filament feeder, put some screws in, then insert the fittings. For the humidity gauge, it doesn't matter which one you use. You can either cut a hole in the box then insert the gauge or if the box is clear just put it inside. Next screw in the tube holder on either side (I used a curtain bracket and it works great!). For the tube, I used a wooden rod but you can also use a pipe. For the sealing, you can use any type of weather sealing tape. Now all you have to do is put the gel beads inside and connect the PTFE tubing. Note: I cut two of my tubes in half but left two for flexibles so the filament goes directly to the extruder. Now you're done! No more wet filament, no more failed prints (due to wet filament).