DIY 3D Printing Filament Dryer / Dehumidifier / Dry Box

The wet filament is a bad filament. 3D printers hate them since during melting the filament water that it contains turns into steam, expands and creates holes, bulges and other distortions and problems in a print. So filaments are more sensitive to moisture: TPU or Nylon. But even PLA might absorb water if it is kept in a humid environment for a long time. The solution is simple: DIY filament dehumidifier (also knows as filament dryer or dry box) made from the storage box, hygrometer, silica gel as a water absorbent and some window seals. The results are amazing!

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