Enclosed 305 mm CoreXY with 65 °C active chamber heating and a 370 °C bimetal hotend aimed at engineering filaments.
305 x 305 x 280 mm advertised. No independently measured usable envelope found
Advertised dimensions; check usable space and variants.
<=370 °C claimed. No firmware max_temp verified for this model
Published limits; hardware and firmware limits may differ.
$649.00 on us.qidi3d.com for the Plus4 + 1 filament variant against a $799.00 compare-at price; $699.00 on qidi3d.com against $799.00. Checked Aug 2026
Dated listing, not a live offer. Read the configuration and region.
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.
Dimensions, construction and the hardware that moves the print.
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Manufacturer & exact marketed model name (verify the exact product identity first) | QIDI Plus4, sold as "Plus4 3D Printer". QIDI's own wiki files it under X-Plus4 | 2 sources
|
| Release date (announcement and actual shipping) | Announced September 2024; QIDI ran launch promotional pricing in the week of 20-27 September 2024 (secondary reporting, not a QIDI press release) | 1 source
|
| Street price (USD; dated snapshot per entry) | $649.00 on us.qidi3d.com for the Plus4 + 1 filament variant against a $799.00 compare-at price; $699.00 on qidi3d.com against $799.00. Checked Aug 2026 | 2 sources
|
| Variants & sibling models — and how to tell them apart (spec-contamination risk) | Two purchasable variants: Plus4 + Filament x1 at $649 and Plus4 Combo + Filament x1 at $799 (Combo adds the QIDI Box multi-material unit). Distinct from the older X-Plus 3 (280x280x270, 350 °C) and from the newer Plus5 (320x320x300) | 2 sources
|
| Market position: superseded? successor announced? | Superseded at the top of the large-format line by the Plus5, launched 5 August 2026 with 18% more build volume; Plus4 still listed and in stock Aug 2026 | 2 sources
|
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Build volume X×Y×Z (mm) — advertised vs actually usable | 305 x 305 x 280 mm advertised. No independently measured usable envelope found | 2 sources
|
| Machine footprint (mm) & clearance needed (cable/spool overhang) | 505 x 487 x 550 mm | 1 source
|
| Net weight (kg) | 32 kg gross (3DJake). QIDI does not publish a net weight on the product page | 1 source
|
| Frame construction & material | Enclosed CoreXY chassis with double-layer chamber insulation; QIDI does not publish a frame material breakdown | 1 source
|
| Enclosure: open / enclosed; panel material; door/lid | Fully enclosed, double-layer insulated chamber with second-generation active heating to 65 °C | 2 sources
|
| Passive chamber temperature reached (if enclosed; measured values preferred) | 65 °C, actively heated by a 400 W heater which QIDI says reaches setpoint in about 8 minutes (manufacturer claim) | 2 sources
|
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Kinematics (bedslinger i3 / CoreXY / other) | CoreXY | 1 source
|
| Z-axis: leadscrew count & type, sync mechanism, anti-backlash | Dual independent Z motors on 10 mm linear shafts and screws | 1 source
|
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Max print speed (claimed, mm/s) | 600 mm/s (manufacturer claim, tool-head maximum) | 1 source
|
| Max acceleration (claimed, mm/s²) | <=20,000 mm/s2 (manufacturer claim) | 1 source
|
Extrusion, heating, leveling and material handling.
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Type (direct drive / bowden) & design name | Direct drive with hardened steel dual gears, 1.75 mm filament | 2 sources
|
Use the manufacturer’s model-specific cleaning instructions to locate the obstruction rather than treating every extrusion failure as a nozzle-only problem.
Applies to: Plus4 hotend and extruder arrangement; use material-appropriate loading temperatures.
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Hotend design (proprietary/standard; quick-swap mechanism?) | Second-generation 80 W bimetal hotend with a multi-metal composite hardened-tip nozzle; 0.4 mm standard, 0.2/0.5/0.8 mm optional | 2 sources
|
| Max nozzle temp claimed AND firmware max temp limit (both values) | <=370 °C claimed. No firmware max_temp verified for this model | 2 sources
|
| Heater cartridge power (W) | 80 W hotend heater (manufacturer figure) | 1 source
|
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Max bed temp claimed AND firmware limit | Conflicting manufacturer figures: QIDI's own Plus4 page states a 100 °C bed temperature, 3DJake's spec table states <=120 °C. Not resolved; the lower vendor-published figure is used as the sortable value | 2 sources
|
| Bed surface (material, texture, coating), single/double-sided | 6 mm aluminium-substrate heated bed with a double-sided textured PEI plate | 2 sources
|
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Auto bed leveling: probe technology (inductive / strain gauge / load cell / touch probe) | Full-auto calibration; QIDI markets "hands-free automatic" levelling and does not name the probe technology on the product page | 2 sources
|
Manufacturer-curated creator files collect ejected filament beside the printer. Choose the chute and bin combination whose mounting instructions match your installation.
Applies to: Plus4 physical design only; obtain matching files and any required hardware from the linked listing.
Adds automated filament changing using the manufacturer’s model-specific connection and setup procedure.
Applies to: Plus4 requires the multicolor upgrade kit and its own hub cable; Q2/Max4 cables are different.
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Filament runout sensor (type, location) | Filament run-out sensor, plus a filament cutter and filament tangle detection (tangle mechanism not described) | 1 source
|
| Multi-material/multi-color capability or official upgrade path | QIDI Box multi-material unit supported; sold bundled as the Plus4 Combo | 2 sources
|
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Part-cooling fan(s): count, size, ducting design | Auxiliary part-cooling fan plus a chamber circulation fan; fan sizes and duct design not published | 1 source
|
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Officially supported filament list | PLA, ABS, ASA, PETG, TPU, PA, PC, PA-CF/GF, PET-CF/GF, PPA-CF/GF, PPS-CF and other CF/GF-filled polymers | 2 sources
|
Firmware, controls, connections and calibration.
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Input voltage (110/220 V, switch or auto) | 100-240 VAC, 50/60 Hz | 1 source
|
| Total rated power draw | 450 W plus 400 W for chamber heating (rated) | 1 source
|
Replaces the stock software stack with a community-maintained Klipper ecosystem and alternative display software.
Applies to: Plus4 is explicitly supported; follow its hardware-specific installation and recovery instructions.
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Firmware base & current version (Klipper fork / Marlin fork / proprietary) | Klipper v0.12, described by QIDI as open source. Fork details and current release not published on the product page | 1 source
|
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Display: size, type, touch? | 5-inch touchscreen, 800 x 480 | 2 sources
|
| WiFi (band/standard), Ethernet, USB ports, SD/flash-drive | Wi-Fi 2.4 GHz, Ethernet, USB | 2 sources
|
| Cloud service & phone app; LAN-only mode possible? | Mobile and computer control, remote cloud or LAN-only operation | 1 source
|
| Camera: built-in / optional? Resolution & framerate (verify — marketing often omits real fps) | Built-in low-frame-rate camera, up to 1080p, timelapse supported | 2 sources
|
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Assembly level & time from unbox to first print | QIDI claims about 10 minutes from unbox to printing | 1 source
|
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Power-loss recovery: mechanism (how is state saved? capacitor / eeprom / file on shutdown?) | Power-loss recovery listed; mechanism not published | 1 source
|
Published safeguards, support terms and independent evidence.
| Property and unit | Published value and conditions | Sources and dates |
|---|---|---|
| Warranty length & support reputation (evidence, not vibes) | 1-year coverage, 14-day no-reason return, 30-day price protection | 1 source
|
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.
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.
3D Printing Info