QIDI Plus4
CAUTIONFirmware updates appear to be slowing down, with no recent update signal in over 6 months.
Data refreshed: 16 May 2026
Where to buy
Specifications
- Build volume
- 305x305x280 mm
- Build size class
- Medium - Daypack / Backpack
- Price
- €699 (solo)
- Enclosure
- Full enclosure
- Chamber control
- Active Controlled
- Materials
- ABS · ASA · HIPS · Nylon (PA6/PA12) · PC · PC-ABS · PETG · PHA · PLA (all variants) · PVB · TPU · TPC · TPE
- Support materials
- —
- Bowden nozzle
- —
- Max hotend temp
- 370°C
- Max bed temp
- 100°C
- Max chamber temp
- 55°C
- Nozzle material
- Brass-Hardened Steel
- Hardened nozzle
- Included — CF/GF abrasive variants · Nylon-CF. While PC-CF not possible at this tier.
- Nozzle count
- 1
- Max filament inputs
- 4
- True multi-material
- —
- Tool change
- Single Nozzle Purge Based
Ownership
- Experience level
- Intermediate
- Assembly
- Minimal
- Auto bed leveling
- Assisted
- Auto Z offset
- Yes
- Auto first layer
- Yes
- Runout sensor
- Yes
- Spaghetti detection
- Yes
- Error guidance
- Generic
- Warranty
- 3-12 months
- Spare parts
- Partial
- Firmware version
- V1.7.1
Who this is for
The Plus4 suits intermediate users who want access to engineering-material printing — ABS, ASA, Nylon, and PC — and who accept Klipper-based tuning as a normal part of the workflow. The material range and hardware capability are genuine. Buyers who need long-term platform confidence, minimal maintenance effort, or guided troubleshooting will find the late lifecycle position and limited support transparency work against them.
PrintSignals Review
QIDI Plus4 Review
Assessment
The Plus4 brings genuine engineering-material capability through active chamber control and a reliable material range that extends to ABS, ASA, Nylon, and PC. The timing context works against a straightforward recommendation: firmware activity has slowed to a 6–12 month lag, QIDI's support record has historically been weak or short-lived, and the brand's average model lifespan of approximately two years places the Plus4 statistically near the point where activity in this lineup tends to drop. No official replacement has been announced, making this a pattern-based risk indicator rather than confirmed news. Buyers should treat these converging factors as meaningful context before purchasing.
Build and print volume
The Plus4 is fully enclosed with an actively controlled chamber, which regulates temperature rather than passively retaining it. That distinction matters for engineering materials, which require stable thermal environments to print reliably. A 370°C hotend, 100°C bed, and 55°C chamber ceiling together cover the thermal demands of the printer's full material range. The medium-size build area of 305×305×280 mm offers meaningful space for functional parts and multi-component prints.
Material capability
Multi-color capability requires the separately purchased multi-spool add-on, which expands from one filament input to four and adds automatic spool handoff for longer prints. Color swaps are purge-based and slow, generating filament waste and increasing print time with each color change, and cross-contamination risk limits reliable mixed-material use. The reliable material range covers PLA, PETG, ABS, ASA, HIPS, Nylon, PC, PC-ABS, PVB, and PHA, and the stock nozzle handles CF and GF abrasive variants and Nylon-CF, though PC-CF is not achievable at this tier. The direct drive extruder adds hardware capability for flexible filaments including TPU, TPC, and TPE, though these are technically demanding and dependent on tuning.
Setup and ownership
The Plus4 targets users with some prior 3D printing experience. Klipper-based firmware makes calibration, tuning, and debugging expected parts of the workflow rather than exceptions. The printer arrives near-fully assembled, with first print typically achievable in under 15 minutes, and assisted bed leveling, automatic Z-offset, first-layer calibration, filament runout detection, and print failure detection cover most session-to-session setup. Error messages are generic text with no structured code system, leaving fault diagnosis to the user.
Support and longevity
QIDI's support is generally reliable across most dimensions. Hardware problems tend to reveal limited official transparency, and community resources fill that gap more reliably than direct manufacturer responses. Spare parts have partial official availability for common wear items, and warranty coverage runs 3 to 12 months depending on the component. The ecosystem is fully open, with Klipper-based firmware and standard G-code ensuring compatibility with any slicer and no lock-in to proprietary tools.
