RAISCUBE R5 and A8R 3D Printers Raise the Bar for Cheap i3 Clones

New 3D printer brand RAISCUBE has just released two Prusa i3 clones that look set to raise the bar for i3 clones as we know it today. The A8R features an all-metal frame while the R5 features Igus RJ4P-01-08 polymer bearings.

At $329.99, the A8R is the most expensive of the two thanks to its all-metal frame. i3 clones with all-metal frames are nothing new but to date few have metal frames with the same beefiness seen on the A8R’s. Product pages don’t mention much details about the frame but from official product photos, it doesn’t look like it was made using stamped aluminum sheets. Instead, the various parts of the frame look like they’re made out of CNC-machined aluminum parts which are more robust than stamped sheets.

RAISCUBE A8R
  • 210 x 210 x 225mm print volume
  • All-metal aluminum frame
  • Linear bearings
  • Direct drive extruder
  • 300mm/s maximum printing speed
  • 12V / 300W power supply
  • Pre-wired main board

In fact, RAISCUBE claims that the A8R can print up to 200mm/s which is another way of saying the A8R’s frame has the rigidity to handle such high speeds. Whether this is true or not remains to be seen. Typical printing speeds for most 3D printers range from 50mm/s to 120mm/s so 200mm/s is quite a big claim.

At the moment, product pages for the A8R do not mention any details about what main board it uses. With that 200mm/s speed claim, it would be interesting to see what kind of main board or motor drivers the A8R uses. Another nice feature of the A8R are its Z-axis carriages. Judging from product photos, these carriages appear to be aluminum (possibly CNC-machined) and not 3D-printed or made of acrylic. RAISCUBE also claims that the main board comes “pre-wired” which could suggest that the A8R is a pre-assembled DIY kit.

If the A8R and its $330 price tag is not your cup of tea, then there is the R5 which is available at a much more affordable price of $234. To achieve that lower price point, the R5 features an acrylic frame although it uses the same z-axis and x-axis carriages and rods as the A8R. Even the extruder and hot end appears identical to the A8R.

RAISCUBE R5
  • 210 x 210 x 225mm print volume
  • Acrylic frame
  • Direct drive extruder
  • Igus RJ4P-01-08 polymer bearings for all axis
  • 12V / 300W power supply

RAISCUBE claims that the R5 features Igus RJ4P-01-08 polymer bearings although it isn’t clear if the A8R also features the same bearings. Not much info is available on the R5 although it does look very similar to the A8R except for its acrylic frame. The R5 and A8R feature the same print volume of 210 x 210 x 225mm and heated bed. Both the RAISCUBE A8R and R5 are currently in stock at GearBest. Click here for more details.

Besides the R5 and A8R, RAISCUBE also has the R10 for those who want a 3D printer with a slightly bigger print capacity. The R10 looks like a mini version of the Creality CR-10 with a print volume of 240 x 300 x 300mm. It is now  available for $346 shipped.



Adrin Sham

Adrin Sham is a designer and photographer turned drone enthusiast. Since buying a drone for aerial photography some years ago, he has since developed a passion for UAVs and all things related.

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