Creality SpacePi X4 – filament dryer with two independent chambers
Key benefits
- Capacity up to 4 spools for parallel preparation of materials for 3D printing.
- Two independently controlled chambers with separate control – convenient for different materials in one working day.
- Temperature range 45–85°C and a timer 1–48 h to adjust according to the material.
- Active moisture extraction + automatic desiccant regeneration to maintain low humidity.
- 3.2" colour touchscreen with presets and manual settings, plus process monitoring.
Who is the Creality SpacePi X4 for and when does it really make an impact?
Moisture is one of the most common "hidden" sources of instability in 3D printing: from stringing and bubbles on the surface to unstable extrusion, blockages and poor adhesion between layers. This is amplified with hygroscopic materials (nylons/PA, polycarbonate/PC, etc.) and in rooms with higher relative humidity. The Creality SpacePi X4 is designed to maintain a controlled filament drying and storage environment so that the material enters the extruder in a more predictable state.
The practical benefit is felt most strongly in three situations: (1) long prints where the filament is exposed for hours; (2) engineering materials that "absorb" moisture quickly; (3) multi-material/multi-colour workflows where spools are changed and none have to be "returned" wet in the process.
Drying technology: two chambers, PTC heaters and range 45–85°C
The SpacePi X4 uses two independent drying chambers, which allows parallel work with different materials and settings. From a control point of view, this is key: the temperatures suitable for PLA are not the same as for PA/PC. The heating is realized with PTC heaters (published as 200 W + 200 W), and the settable temperature range is 45–85°C.
The drying timer is on 1–48 hours, which gives flexibility: short cycles to "refresh" material before work and longer cycles for highly wetted filament or for more demanding engineering materials.
Active Def. and stable environment: moisture extraction, desiccant and 360° circulation
Unlike solutions that rely mainly on passive "evaporation", the SpacePi X4 is positioned as a system with active moisture extraction and automatic desiccant regeneration. The idea is not only to heat the material, but also to remove the moisture from the chamber so that it does not "spin" inside. It is further described 360° circulation of heated air for more even drying in the chamber volume.
In a workflow context, this has two practical implications: first, drying is more predictable for materials with critical moisture behavior (e.g. nylons and PC); second, the filament can remain in a more protected environment beyond the end of the cycle, reducing the risk of rewetting between drying and printing.
Productivity and Workflow: How to use it (including "Dry & Print")
Management is through 3.2" colour touchscreen with a logical structure and presets by type of material, as well as the possibility of manually setting temperature and time. This is important because in the real world, different brands of filament behave differently, even when "on the label" they are the same material.
Basic workflow (recommendation):
- Check that the spool fits in size (diameter/width) and insert the filament into the appropriate chamber.
- Select a preset by material or manually set temperature and time according to the filament manufacturer's recommendations.
- Start the cycle and monitor the readings; adjust the settings if necessary.
- At the end of the cycle, leave the spool closed in the chamber if it is not going to be used immediately.
For longer jobs, the feature to feed filament directly to a 3D printer through through holes ("Dry & Print" passthrough) so that the material remains in low humidity during printing. This is especially practical with engineering materials and in a room with unstable humidity.
For related topics see: Filaments for 3D printing, Dryers and filament boxes, Guide: drying and storing filament.
Compatibility and ecosystem: spools, diameters and materials
The SpacePi X4 is designed for up to 4 spools (two chambers, each takes up to two spools). They are maintained 1.75 mm and 2.85 mm filaments, and the maximum spool size is specified as diameter ≤ 200 mm and width ≤ 150 mm. This covers most of the standard spools, including 1kg and 2kg configurations.
As a temperature potential (up to 85°C), the device is aimed at materials that practically benefit the most from moisture control: PA/nylons, PC, as well as other engineering filaments and composites. Independent tests have shown distinct improvements when printing with engineered materials after drying (smoother surface, less stringing/oozing and cleaner bridges), which is a good indicator of a real effect beyond marketing descriptions.
Important clarification about expectations: The SpacePi X4 is a filament dryer/box, not an automatic material changer. It helps keep the filament in the right state for printing, but it doesn't "mix" or manage multi-colour printing like multi-material modules.
Technical features, scenarios and best practices
Design and everyday ergonomics
the unit has two separate covers/locks for the chambers and a frontal touchscreen. According to data from the product parameters: rated power 360 W, power supply 100–120 V~ / 220–240 V~ (50/60 Hz), net weight 5 kg and dimensions 382 × 290 × 270 mm. It's a format that sits well next to a 3D printer in a work area without "eating up" an entire table.
Creality maintains a page for firmware and manual in the Download Centre, which is useful for maintenance and updates as needed.
Professional Scenarios (4–6)
- Small "farms" with several 3D printers: four ready spools reduce interruptions when changing material and allow parallel jobs.
- Multi-material prototypes: separate chambers = less risk of "overheating" a sensitive material while drying another.
- Engineering materials (PA/PC and composites): less moisture-related defects (stringing, unstable extrusion), more predictable part mechanics.
- Long prints: feed from the chamber ("Dry & Print") reduces rewetting during the process.
- Training/shared workshops: more stable results between different operators because the material is "standardized" as a condition.
Limitations and good practices
- No active spool rotation: spools stay static; air circulation is relied upon. For very tightly wound filament or very large spools, plan for a longer cycle.
- Temperature is not one-size-fits-all: follow the filament manufacturer's recommendations and avoid unnecessarily high temperatures that can deform spools/material.
- Minimize openings: each opening introduces moisture and cools the chamber, which extends the actual time to a stable result.
- For the most sensitive materials: dry before printing and feed directly from the chamber for long jobs.
Technical characteristics
| Type | Filament dryer/box |
| Capacity | Up to 4 spools |
| chambers | 2 independent |
| Temperature range | 45–85 °C |
| Timer | 1–48 h |
| Heaters | PTC, 200 W + 200 W |
| Rated power | 360 W |
| Power supply | 100–120 V~ / 220–240 V~ (50/60 Hz) |
| Supported filament diameter | 1.75 mm and 2.85 mm |
| Max. spool size | Diameter ≤ 200 mm; width ≤ 150 mm |
| Display | 3.2" colour touchscreen |
| Dimensions | 382 × 290 × 270 mm |
| Net weight | 5 kg |
Sources and expert references
- https://www.creality.com/blog/new-creality-spacepi-x4-filament-dryer
- https://store.creality.com/eu/products/creality-spacepi-x4-filament-dryer
- https://www.creality.com/download/creality-spacepi-x4
- https://www.creality.com/support/creality-spacepi-x4
- https://3dprintingindustry.com/news/creality-spacepi-x4-review-dual-chamber-filament-dryer-for-engineering-grade-3d-printing-243208/
- https://www.thephonograph.net/electronics-tech-reviews/creality-spacepi-x4-review/
Links to download tables/graphs
- Creality SpacePi X4 User Manual V1.2 (PDF): https://cdn.creality.com/ow/official/091e8007-39af-4418-aa46-75e97f1fd6ef.pdf
- Creality Download Centre (SpacePi X4): https://www.creality.com/download/creality-spacepi-x4
Image links (for download)
- Hero (Creality CDN): https://cdn.creality.com/blogs/7fd60d8a6c21358f303ecfa638dfec4d.jpg — check license/permission
- Feature grid (Creality CDN): https://cdn.creality.com/blogs/c2e81ff1046a3551bc31c433a0d7fa41.jpg — check license/permission
- In-use photo (Creality CDN): https://cdn.creality.com/blogs/ea076a39d00e80a046db6f92f289493a.jpg — check license/permission
When drying the filament gives the greatest effect
A dryer is most useful for materials that absorb moisture and begin to crackle, string or bubble, or have a weak surface. This is especially important when printing functional parts rather than just decorative patterns.
- For more models see dryers and filament boxes.
- If you are replacing material, compare all 3D printer filaments.
- PETG and TPU often print more consistently after proper drying.