Post-Processing
Filament Drying Guide
Interactive filament drying guide — adjusts drying time by moisture severity, compares methods per material with safety warnings, and includes a completion checklist.
What this tool solves
Wet filament causes failed prints, poor surface quality, and weak parts. This guide tells you exactly how to dry each material and what symptoms to look for.
Select your material
Choose your filament type to see its specific drying requirements and moisture sensitivity.
Check drying settings
See the recommended temperature and time for drying your filament safely.
Follow the guide
Learn about moisture symptoms, drying methods, and storage best practices.
Moisture Sensitivity
Moisture Symptoms
Minimal issues — slight surface roughness possible
Moisture Exposure
How long has the filament been exposed to humid air? This adjusts the recommended drying time.
Drying Settings
45°C
Temperature
Tg: 60°C
4.0h
Time
Minimum recommended drying time
Drying Methods Comparison
Food Dehydrator
Even heat distribution, safe for filament
Limited capacity, may not fit full spools
45°C / 4h
Filament Dryer
RecommendedPurpose-built, can print directly from dryer
Higher upfront cost ($30–80)
45°C / 4h
Oven
Use CautionAlready available in most homes
Uneven heat, risk of melting filament
Warning: Many ovens cannot hold temps below the glass transition temperature (Tg) of your filament accurately
How to Know Drying Is Done
Storage Tips
- Store in airtight container or vacuum bag with desiccant
- Use a dry box while printing hygroscopic materials
- Replace desiccant regularly (color indicator helps)
- Keep filament sealed until ready to use
- No enclosure needed — standard airtight storage is sufficient
Related Tools
How to Dry 3D Printing Filament
Moisture is the hidden enemy of 3D printing. Many filament types — especially Nylon, PETG, TPU, and PVA — absorb moisture from the air, leading to popping sounds during extrusion, rough surfaces, weak layer adhesion, and failed prints.
Proper drying and storage can dramatically improve your print quality. This guide covers the right temperature and time for every material, how to identify moisture symptoms, and the best methods for keeping your filament dry.
Unlike static reference charts, this tool adjusts drying time based on moisture exposure severity and warns you when certain methods — like oven drying — are unsafe for your specific filament. It also provides a completion checklist so you know when drying is truly done.