additivecompareIndustrial FFF benchmark

Qidi Tech Plus 4

A discontinued open-material FFF printer with a 305 × 305 × 280 mm build volume, a 370 °C nozzle and an actively heated chamber up to 65 °C. Qualifies for ASA, PC and PA-CF.

Open material ecosystemHeated chamberDiscontinued

Specifications

Build envelope305 × 305 × 280 mm
Build volume26 L
Max nozzle temperature370 °C
Chamber65 °C, actively heated
Max print speed600 mm/s (manufacturer claim)
Exterior size505 × 487 × 550 mm
Exterior volume135 L
Envelope efficiency19.3 % (build ÷ exterior volume)
Material ecosystemOpen material ecosystem
Independent dual extrusionNo
Continuous fiberNo
Price  Tier 1 of 5 · About $799 (Launch price, Qidi)
StatusDiscontinued

Brought an actively heated chamber (400 W heater, 65 °C) and a 370 °C nozzle to the entry price band. Discontinued and succeeded by the Qidi Plus 5.

Open in the trade-off mapSee it in the full table

Material qualification

MaterialStatusHeadroom
ASA / ABSNozzle ≥ 250 °C, chamber ≥ 45 °CQualifiedNozzle +120 °C, chamber +20 °C
Polycarbonate (PC)Nozzle ≥ 270 °C, chamber ≥ 60 °CQualifiedNozzle +100 °C, chamber +5 °C
Nylon CF (PA-CF)Nozzle ≥ 280 °C, chamber ≥ 50 °CQualifiedNozzle +90 °C, chamber +15 °C
PPS-CFNozzle ≥ 320 °C, chamber ≥ 90 °CMarginalNozzle +50 °C, chamber −25 °C
ULTEM 9085 (PEI)Nozzle ≥ 360 °C, chamber ≥ 90 °CMarginalNozzle +10 °C, chamber −25 °C
PEKKNozzle ≥ 360 °C, chamber ≥ 90 °CMarginalNozzle +10 °C, chamber −25 °C
PEEKNozzle ≥ 400 °C, chamber ≥ 100 °CNozzle too coldNozzle −30 °C, chamber −35 °C

How qualification works

Sources

Verified October 31, 2026. Spot an error? Email data@additivecompare.com with a source.

Other printers in price tier 1 (Under $1,000)

PrinterBuild volume (L)Nozzle (°C)Active chamber (°C)Exterior (L)Price tier
Sovol SV08Open material ecosystem 42.3300—170
Creality K1 MaxOpen material ecosystem 27300—106