Creality CR-30 3D Printer
By Creality · 3D Printers · 3D Printing · More from Creality
- Build volume 200 x 170 x ∞ mm
- Layer height 0.1-0.4 mm
- Printer weight 16.5 kg
- Power 350 W
- Materials PLA, PLA+, PETG
Price not listed
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- eBayView at eBay
- AmazonView at Amazon (paid link)
- eBay (used) eBay: used, open-box, refurbishedView at eBay (used)
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Summary
A belt-based CoreXY FDM printer with an infinite Z axis, built for very long single-piece parts and serial batch printing on a conveyor belt. It is discontinued at the official store and needs careful belt calibration, so it suits experienced users with a specific production need, not a first printer.
Strengths
- Infinite Z axis enables very long single-piece parts and serial batch production.
- CoreXY motion is stable and capable of long, strong parts laid flat on the belt.
- Good print quality and bed adhesion reported once the belt is tuned.
- Slicer software is free (CrealityBelt or IdeaMaker).
- Power-failure recovery reported working in testing.
- The store lists up to a 12-month warranty as a general policy.
Weaknesses
- Discontinued and out of stock at the official store; buyers must verify condition, belt wear and spare parts.
- Calibration is complex: z-offset, belt tension and four thumbscrews under the belt.
- The belt has a slick coating that repels filament and must be conditioned before use.
- The stock hotend clogged repeatedly on longer prints in one review.
- Slow print speeds, a 45/100 community score and 29% positive Reddit sentiment; poor value for typical home users at 599 USD and above.
Verified specifications
| Model | Creality CR-30, also sold as the 3DPrintMill. |
|---|---|
| Technology | FDM; kinematics: CoreXY with a rolling conveyor belt as the Z axis. |
| Build volume | 200 × 170 × infinite mm; one database lists 200 × 170 × 1000 mm. |
| Dimensions | 535 × 656 × 410 mm (machine); 685 × 565 × 302 mm (shipping). |
| Weight | 16.5 kg net, 20.5 kg gross; described as over 36 pounds. |
| Print accuracy | ±0.1 mm. |
| Nozzle | 0.4 mm, single nozzle. |
| Temperatures | nozzle up to 240 °C, hotbed up to 100 °C. |
| Layer height | 0.1–0.4 mm. |
| Speed | up to 180 mm/s; acceleration up to 4000 mm/s². |
| Power draw measured | about 6 W idle, 280 W while heating, 60 W while printing. |
| Filament | 1.75 mm; PLA, TPU and PETG (ABS and wood PLA also listed by some sources). |
| Board | Creality V4.2.10 32-bit silent board. |
| Slicing | CrealityBelt or IdeaMaker; transfer by USB or SD card. |
| Hotbed | heated in the first half of the belt only. |
| Origin | Kickstarter, November 2020, raising just under $1.4 million; design collaboration with Naomi Wu, Karl Brown (NAK3D) and Bill Steele (Polar3D). |
Full research notes and sources
Build and calibration
The CR-30’s headline feature is continuous printing: models lie flat on the moving belt and can be printed in series or to lengths Creality demonstrated at about 20 feet. That capability comes with setup work. Calibration covers the nozzle-to-belt z-offset, overall belt tension and four thumbscrews under the belt, and the belt’s slick coating repels filament until it is conditioned. Reviewers found the machine capable but frustrating to dial in, and one review reported repeated stock-hotend clogs on longer prints.
Print quality and speed
Independent specialist reviewers praised the concept and the CoreXY motion but noted slow print speeds and limited software support. Measured power draw was about 6 W idle, 280 W while heating and 60 W while printing. Community aggregation (StillPrinting) reports good results for production and cosplay use once tuned, alongside challenging setup, inconsistent reliability and subpar quality for some parts and materials. A Reddit owner reported reliable adhesion only when speed was limited to 20 mm/s, and another reported the belt surface wearing like a Teflon frying pan over time.
Software and slicers
The printer ships with an included SD card of sample gcode. Slicing is done in CrealityBelt, which reviewers consider legacy, or in IdeaMaker, which both reviewers preferred. File transfer is by USB or SD card. The control board is a Creality V4.2.10 32-bit silent board.
The official store lists the CR-30 as out of stock and not to be restocked. 3DWithUs lists 529 to 599 USD. A used unit around 400 USD has been reported as worthwhile for contract work, and one owner reported earning 12,000 USD from a printing project on a used machine. Because the machine is discontinued, verify belt condition and spare-part availability before buying.
Is it worth it?
At 599 USD and above the CR-30 is poor value for a typical home user because of difficult setup, slow speeds and limited software support. It is more defensible for experienced users with a specific need for very long single-piece parts or serial production, where the infinite Z axis and batch printing justify the cost. It is not a good general-purpose home printer.
Which model this is
This page covers the Creality CR-30, also sold as the 3DPrintMill, a belt-based CoreXY FDM printer. The Amazon listing is ASIN B095HLR1MY.
The official store lists the machine as out of stock and not to be restocked. Do not confuse it with the Blackbelt, White Knight, iFactory, SainSmart INFI-20, MALYAN MA21 or other belt printers.
Sources
Manufacturer:
Independent reviews:
Owner reports:
