Creality Space Pi Single-Spool Filament Dryer

Creality Space Pi Single-Spool Filament Dryer

By Creality · Filament Dryers · 3D Printing

  • Single spool, 1 kg
  • 70°C max temperature
  • 3.7-inch touchscreen
  • 48-hour timer
  • 360° PTC hot-air heating

Lowest price seen
$59.00
from $59.00 at Creality 3D Official Store · Checked Oct 3, 2026

Prices are snapshots. Check the current price with the store.

Problems, parts and running costs

Summary

A low-cost single-spool filament dryer with a 45-70 °C range, a 0-48 hour timer, a 3.7-inch touchscreen and 12 presets. It heats and circulates air but does not dehumidify, and its humidity readout is documented as unreliable because the sensor sits in the hot-air stream.

Strengths

  • At $65-69 it is among the cheapest heated single-spool dryers from a name-brand maker, with active PTC heat, a fan, a touchscreen, presets and a long timer.
  • Drying works for common materials: owners report improved print quality and reduced moisture-related artifacts on PLA, PETG and TPU.
  • The 45-70 °C range with a 0-48 hour timer suits PLA at 4-8 hours and 50 °C and PETG at 2-4 hours and 60 °C, per owner consensus.
  • 12 one-key presets and power-off memory reduce setup friction.
  • Filament can feed out of the box, so it can dry and dispense at the same time.
  • One long-term owner ran the single-spool unit over 100 hours a week for eight months with no errors.

Weaknesses

  • It is a heated box, not a dehumidifier: there is no active moisture exhaust, and chamber humidity does not hold once heating stops.
  • The humidity readout is unreliable: owners report a 13-15% floor, and a printable gasket is needed because the sensor sits in the hot dry air, with a documented 27.2 °C chamber after 10 minutes before the fix versus 50.9 °C after it.
  • The 70 °C ceiling is below the 80-95 °C that nylon and PAHT-CF need, so engineering filaments need long runs that only partly compensate.
  • One owner reported an E4 error followed by total power death at about 10 months of light use, with no support reply and no official spare-parts channel.
  • The PTFE outlet can let the tube move inward and jam, and some spools, especially cardboard, drag on the rollers.
  • The touchscreen is described as sometimes unresponsive and needing a firm press.

Verified specifications

Capacityone roll of filament.
Temperature range45-70 °C, listed as 113-158 °F.
Timer0-48 hours.
Screen3.7-inch LCD touchscreen.
HeatingPTC hot-air heating with a built-in fan for 360° circulation; an 80 W PTC heater, marketed elsewhere as 110 W.
Rated input power145 W.
Filament diameter1.75 mm and 2.85 mm; one retailer also lists 3 mm.
Presetsone-key settings for 12 filament types, including PLA-CF, PA-CF and ASA.
Power-off memoryafter an outage the unit restarts and remembers the previous material and temperature settings.
Input voltageUS 110 V, 50/60 Hz; GB/UK/EUR 220 V, 50/60 Hz.
Package size315 × 125 × 300 mm; product weight 1.15 kg; Creality’s blog lists a product size of 300 × 200 × 100 mm.
Package contentsfilament dryer box and user manual.
Two dedicated desiccant pockets, so it can act as a sealed dry box when powered off.
No active dehumidification, no moisture exhaust and no user-serviceable parts channel.
Warranty1 year in the US per B&H and Creality’s US store.
Full research notes and sources

It is a dryer, not a dehumidifier

The unit is a heated box with fan-driven circulation, not a dehumidifier. Creality advertises active dehumidification and desiccant regeneration only on the four-spool X4, not on this model. Owners on the Creality forum describe it as just a convection oven, report that the displayed relative humidity stalls and does not hold once heating stops, and say they get better results moving spools straight into vacuum bags with desiccant after a cycle. Practical use is a first-hours drying box after opening a spool, plus short-term storage with desiccant rather than airtight long-term storage.

The humidity readout is unreliable

The most useful non-obvious finding is a sensor-placement fault. The temperature and humidity sensor is mounted in the direct line of the hot dry air, so the box reads low humidity before the chamber is actually warm. A published printable gasket fixes it. The author’s measurements make the point: before the fix the unit hit a 50 °C setpoint in 31 seconds and a 15% humidity reading in 33 seconds, with a measured chamber temperature after 10 minutes of 27.2 °C; after the gasket, reaching 50 °C took 6 minutes 28 seconds and the chamber measured 50.9 °C after 10 minutes. In other words, the unmodified fast readings are the defect. Owners separately report a 13-15% humidity floor that never goes lower. Treat the display as a trend indicator, not a moisture certificate, and rely on the recommended hours at temperature instead.

Owner experience and failure signals

Praise clusters on drying that fixes real print problems. A B&H reviewer gives it the top score for print-quality improvement with the only note that the touchscreen feels cheap; another rates it a notch below and says it dries and dispenses well but wishes it vented moisture. A UK store reviewer dried Ziro PLA for just over 5 hours and reported the best first layer they had achieved. Against that, a Creality forum owner who had the unit about 10 months and used it lightly got an E4 error after roughly 55 hours on a 48-hour PLA cycle, recovered on a power cycle, then lost the unit entirely with no screen and no fan despite confirmed power; support had not replied at the time of posting. A second owner in the same thread reports eight months at over 100 hours a week with no errors. Two units, opposite outcomes, so no failure rate can be inferred. Other recurring owner mods address PTFE tube movement, a noisy turbine fan and a missing desiccant basket.

Temperature ceiling and value

At 70 °C the Space Pi suits PLA, PETG, TPU, ABS and ASA. A drying guide puts nylon’s ideal at 80-95 °C and PAHT-CF above 80 °C, and Creality’s own X4 page rates ABS, PET, PC, ASA, PA and PAHT at 80-85 °C, so on this unit you compensate with longer runs rather than meeting the specification. Spool heat rating is also a factor, because most cardboard spools are rated only 70-75 °C and some older plastic spools may deform at the ceiling.

US stores list it close together: Creality’s own store at $66.00 marked down from $69.99, the Creality MVIP store at $69.00, and B&H at $65.00 in stock. Creality’s own blog is internally inconsistent, listing $62 to $75 in its spec block and $59 in the body, and one enthusiast review’s $90-100 figure is unsupported by any retailer read. At or below $70 the unit is defensible for someone who opens a spool, runs it and prints promptly; $70-90 is still reasonable, but the two-spool Plus or V2 Plus at about $89 to $102 is the honest comparison; and above $90 a single-spool dryer at 70 °C is weak, with the X4 class at $159 the better target. Recurring cost is desiccant only, with no subscription or cartridge lock-in.

Which model this is

This page covers the single-spool Space Pi, US item 4005010073, UPC 799904646017, with the internal designation DB-03 reported by a secondary source. The listing ASIN is B0CX4P2M8D. Don’t merge it with the two-spool Space Pi Plus or V2 Plus, the four-spool X4 (up to 85 °C, 360 W) or X4L (up to 75 °C, 340 W), or the Space Pi V2 (up to 75 °C, ceramic PTC heater and a second-generation sensor). The 70 °C ceiling here matches the original single-spool V1, not the V2.

Sources

Manufacturer:

Retailer:

Independent reviews:

Owner reports:

Buying guides for this category

Related products