3D Printing Info
Dual extrusionQIDI

QIDI i-Fast

Discontinued enclosed dual-extruder machine with a 60 °C heated chamber and two swappable extruder assemblies.

19 catalog fields3 catalog sources

Model referenceQIDI Tech i-Fast Dual Extruder FDM 3D Printer; product image published by Top 3D Shop. Pictured accessories and sample prints may be optional.
Publisher product image · Top 3D Shop · Image source · Top 3D Shop content permission · Proportionally resized and encoded as WebP. No crop or retouch.
Start here

At a glance

Explore this printer
A closer look

Hardware, software & ownership

Full specifications inside each chapter

Understand the hardware, explore compatible changes and find a diagnostic starting point when something goes wrong. Expand the specification sections for every recorded value, condition and original reference.

Machine & motion

Dimensions, construction and the hardware that moves the print.

Model, variants & pricing5 fields
QIDI i-Fast — Identity & Market
Property and unitPublished value and conditionsSources and dates
Manufacturer & exact marketed model name (verify the exact product identity first)QIDI Tech i-Fast, also written iFast and "I-Fast"
2 sources
Release date (announcement and actual shipping)Not published on the listings checked (Aug 2026)
2 sources
Street price (USD; dated snapshot per entry)$1,899.00 at Top 3D Shop, listed as discontinued with a 5-10 business-day lead time, checked Aug 2026. 3DJake no longer sells it
2 sources
Variants & sibling models — and how to tell them apart (spec-contamination risk)Ships with two interchangeable dual-extruder assemblies — a standard dual head and a high-temperature dual head rated to 350 °C. Specifications quoted for one head do not apply to the other. Not to be confused with QIDI's i-Mate or the X-CF Pro
2 sources
Market position: superseded? successor announced?Discontinued; QIDI's current line is the Q, Plus and Max series
2 sources
Size, frame & enclosure5 fields
QIDI i-Fast — Physical & Frame
Property and unitPublished value and conditionsSources and dates
Build volume X×Y×Z (mm) — advertised vs actually usable330 x 250 x 320 mm advertised
2 sources
Machine footprint (mm) & clearance needed (cable/spool overhang)710 x 510 x 670 mm
1 source
Net weight (kg)33 kg net
1 source
Frame construction & materialFully assembled enclosed metal-frame machine
1 source
Enclosure: open / enclosed; panel material; door/lidFully enclosed with a heated chamber
2 sources
Motion system1 field
QIDI i-Fast — Kinematics & Motion Hardware
Property and unitPublished value and conditionsSources and dates
Kinematics (bedslinger i3 / CoreXY / other)Dual independent extruders in an enclosed Cartesian gantry
2 sources
Speed & acceleration1 field
QIDI i-Fast — Speed & Acceleration
Property and unitPublished value and conditionsSources and dates
Max print speed (claimed, mm/s)30-150 mm/s print speed range (manufacturer figure — a working range, not a peak marketing number)
1 source

Printing system

Extrusion, heating, leveling and material handling.

Extruder1 field
QIDI i-Fast — Extruder
Property and unitPublished value and conditionsSources and dates
Type (direct drive / bowden) & design nameDirect-drive, two extruders. MK10-style nozzle
2 sources
Hotend & nozzle2 fields
QIDI i-Fast — Hotend & Nozzle
Property and unitPublished value and conditionsSources and dates
Max nozzle temp claimed AND firmware max temp limit (both values)350 °C on the high-temperature extruder assembly
2 sources
Stock nozzle size & sizes included in box0.4 mm nozzle diameter
1 source
Supported materials1 field
QIDI i-Fast — Materials Support
Property and unitPublished value and conditionsSources and dates
Officially supported filament listCarbon fibre, nylon, PETG, TPU, PC, ABS, PLA
1 source

Software & workflow

Firmware, controls, connections and calibration.

Electronics & power2 fields
QIDI i-Fast — Electronics & Power
Property and unitPublished value and conditionsSources and dates
Input voltage (110/220 V, switch or auto)110-220 V
1 source
Total rated power draw700 W rated
1 source
Problems & troubleshooting

Use the legacy i-Fast slicer workflow

QIDI explicitly includes i-Fast in the QIDI Print compatibility list, while separating that slicer from its newer high-speed printers. Confirm the selected printer profile when a transferred job behaves incorrectly.

Applies to: i-Fast; the manufacturer lists QIDI Print 6.5.4 for this legacy series, not the X3-generation workflow.

Manufacturer documentation Sources & dates
Connectivity, display & camera1 field
QIDI i-Fast — Connectivity, UI & Camera
Property and unitPublished value and conditionsSources and dates
WiFi (band/standard), Ethernet, USB ports, SD/flash-driveWi-Fi, LAN, USB flash drive
2 sources
Read with context

Sources & notes

How to read this guide

This guide presents the catalog’s sourced record for this exact model. Source dates belong to each reference; a page update does not mean every specification has been rechecked.

Prices are dated listing snapshots, with configuration, regional and sale conditions. They are not current offers. Unknown values remain unfilled.

Firmware, variants and available accessories can change. Read the original reference before making a purchase or planning a process.

Catalog references3 sources
Ownership research & coverage

Firmware, modifications and troubleshooting links are checked against the model and stated hardware or firmware revision. A creator’s compatibility claim is not a fit test by this site. Official troubleshooting describes a diagnostic route; individual reports do not establish a failure rate.

This review did not verify firmware customization or update guidance, printable modifications, hardware upgrades for this exact model. That is a research gap, not a claim that none exist.

Compare QIDI i-Fast with another printer