Phrozen Arco – Real-World Review with Sample Prints
The Phrozen Arco is one of the most exciting new FDM 3D printers of the year. With its high printing speeds, large 300×300×300 mm build volume, and optional multi-color Chroma Kit, it enters the CoreXY market with confidence. After testing it on several models ranging from large decorative objects to small functional tests it becomes clear that the Arco is not just another competitor. It is a strong, well-designed machine with impressive real-world performance.
Large Halloween Pumpkin – Printing Big and Fast
One of the first prints was a huge Halloween pumpkin, taking up a big portion of the Arco’s bed. Large, organic shapes like this often reveal weaknesses in frame stability, cooling, or extrusion. Instead, the Arco delivered a remarkably clean result printed at full speed in 13h. Filament used here was a Orange color JamgHe PLA+ Hi-speed.
The walls are smooth and consistent, the large curved surfaces show no visible ringing, and the complex support structures around the eyes and “teeth” printed cleanly and detached easily. The separate twisted stem printed with sharp edges and a smooth spiral.
Compared to many online samples from similar printers, this output is on par with what users praise about the Arco: precision at large scale, excellent cooling, and predictably strong extrusion. Against competitors like the Bambu Lab P1S or A1, the Arco’s larger build volume gives it a natural advantage. And unlike the Creality K1 Max, which often struggles with edge consistency at full size, the Arco keeps quality uniform across the bed.
The Black Benchy – Fine Detail at High Speed
Next came a classic benchmark: the 3D Benchy at max speed. The hull is straight, the layers are even, and the door and window details are crisp. These features often show ringing or under-extrusion on fast printers, but the Arco passes the test.
The only small imperfection is the chimney, slightly softened at the top, something completely normal for high-speed Benchy prints due to limited cooling on tiny vertical features. Lowering the print temperature or increasing fan speed would solve it easily. Filament used: Fiberlogy Easy PLA Black
Overall, the Benchy quality matches or beats many early Arco prints shared online, confirming that the machine works well out of the box.
Torture Test file – Overhangs, Bridging & Precision
The white 3DPrinterTest model pushes a machine’s mechanical accuracy and cooling to its limits. The Arco performs extremely well here. Overhangs at 30-45° are clean, showing only minimal roughness. The tall thin posts are perfectly straight, proving that the CoreXY motion system is well-tuned and stable.
Bridging on the front plate is sharp and even, and the engraved text is crisp. Only the steepest overhangs (70-80°) show light fuzzing, which is completely expected on any FDM printer without supports.
This result demonstrates that the Arco not only excels at large objects but also handles detailed technical models with impressive accuracy. Compared with competitors, the Arco’s bridging and mid-angle overhang performance is close to Bambu Lab, and generally better than what K1 or Kobra 3 users achieve without special tuning. Since it was PETG, it will need some fine tuning the settings for stringing.
Final Test – PETG-V0!
We had to print a model for our client in flame retardant filament so we dicided to give this job to Arco. It went out quite well on the standard PETG profile with no additional tuning. I just do not remember how fast did it finished but it was something around 30-35h. The overall quality was more then acceptable and the outer walls was really, really smooth with minor seam issues and layer shift but still it was with no additional setting to this quite challenging filament from Fiberlogy: PETG-V0
Final Thoughts – A Standout Debut for Phrozen
What becomes clear from these real-world prints is that the Phrozen Arco offers a rare combination: speed, stability, large volume and reliability. It feels like a resin-focused company bringing its precision mindset to the FDM world.
Small imperfections appear only in places where every high-speed FDM printer struggles a bit, but the overall quality is impressive – especially considering this is Phrozen’s first FDM machine. With the upcoming Chroma Kit enabling multi-color printing and a growing community around the printer, the Arco is shaping up to be one of the most promising FDM releases of the year. We have Chroma Kit now installed and I will post some more tests and photos from it.
The photos shown above are real, unmodified prints produced on the Arco, and they perfectly illustrate what this machine is capable of straight out of the box.
