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Blocks RD50

iReal M3 Color 3D Scanner

Experience the future of 3D printing with the Blocks RD50, featuring an expansive 500x500x500mm volume and an IDEX system for rapid prototyping of large-scale parts.

The IDEX system incorporates two printing heads in the X-axis, enabling increased production and diverse filament/color combinations in the same part.

Modes include Duplicate, Mirror, Soluble Supports, and MultiMaterial, expanding your creative options.

Enjoy the convenience of all the features present in the R21, such as Print Cores, Linear Guides, LCD touch, fully closed with HEPA filters, RunOut, and Flow Filament Sensor.


Features That Define Excellence

Heated Chamber

The actively heated chamber reaching up to 75ºC broadens the spectrum of technical filaments that can be utilized, facilitating the printing of a wide range of engineering-grade materials.

True Z Leveling

With three independent Z motors, Blocks RD50 achieves true Z leveling, ensuring the print plate’s precise alignment. Active bed leveling during printing further enhances the accuracy of the Z axis.

Efficiency Redefined

Easily change print cores with different nozzle sizes to simplify maintenance, enhance flexibility, achieve your desired print quality, and reduce downtime.

Massive Build Volume

The 125-liter build volume of Blocks RD50 provides ample space for ambitious projects. Tackle any task with confidence, knowing your printer can handle the scale of your imagination.

Safety and Sensors for Emergencies

An emergency button placed conveniently at the front allows you to halt the machine at any time.

Additionally, RunOut and Flow Filament Sensors prevent failures due to filament shortage or hotend clogging, boosting the success rate of your prints.

Technical Specifications

General Properties

Build Volume

500 x 500 x 500mm

Machine Dimensions

822 x 822 x 1032mm


24V/230 – 14 Amps

Net Weight


Noise Emission

<55 dB(A) during operation


Printing Properties

Print Technology


Print Head System

Dual Gear Direct Drive Extruder

Filament Diameter


Print Head Travel Speed


Print Speed


Build Plate


Flexible Steel Plate with PEI coating and magnetic fixation

Build Plate Leveling

Inductive Leveling Sensor

Supported Materials

PLA, ABS, HIPS, PC, TPU, TPE, PETG, ASA, PP, PVA, Nylon, Glass Fiber Infused, Carbon Fiber Infused, Metal Fill, Wood Fill, etc

Layer Height

0.01mm-0.6mm (depending on the print core installed)

Nozzle Diameter

0.2, 0.3, 0.4, 0.5, 0.6, 0.8, 1.0, 1.2mm


Heating Properties

Max Build Plate Temperature

120 ºC

Build Plate Heating Time

<2 min to 55ºC, <6 min to 100ºC

Max Nozzle Temperature

275ºC to 400ºC (depending on the print core installed)

Hotend heating time

<2 min to maximum temperature



Connectivity – WiFi and USB

Marlin derived firmware

Printing profiles provided for Ultimaker Cura, Slic3r, and Simplify3D.

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