LNL3D D3

The LNL3D D3 is an FDM 3D printer from LNL3D with a 300 x 300 x 350 mm build volume.

Specifications

The LNL3D D3 is a budget-oriented professional FDM (Fused Deposition Modeling) 3D printer featuring Independent Dual Extruder (IDEX) kinematics. It is a rebranded and slightly modified version of the popular Tenlog D3 Pro printer, manufactured to provide affordable multi-material and parallel production capabilities to the consumer and hobbyist market. Shipped with a large build envelope and a rigid metal gantry, the printer is popular among small workshops and makers looking for a low-cost solution to print dual-color models and soluble supports.

• Kinematics: IDEX (Independent Dual Extruders) Cartesian configuration.

Calibration

Configuring IDEX kinematics requires mechanical alignment of both nozzle tips and calibration of their software offsets. Follow this eight-step process to calibrate your machine:

• Mechanical Nozzle Z-Alignment:

Both nozzles must sit at the exact same height relative to the bed surface. Position the left head (T0) over the center of the bed and check Z height with a sheet of paper. Move the right head (T1) to the same position.

Common defects

• Hardware defects and mechanical weaknesses
• Y-Axis Layer Shifts and Ghosting: The 300x300 mm glass bed is heavy and has significant inertia. High accelerations can cause Y-axis layer shifts and surface ringing.
• Symptoms: Ringing waves around holes and sharp corners, or diagonal layer shifts.
• Solution: Limit print speeds to 50 mm/s and lower the Y-axis acceleration to 600 mm/s² in your slicing software.

What it is used for

Suitable applications

• Parallel Production (Duplication/Mirror Mode): Printing two identical or mirrored parts simultaneously doubles production speeds for small items (e.g., face shields, custom enclosures, gears).
• Dual-Color Graphic Signs and Logos: Suitable for printing multi-color visual models, signage, and display labels in PLA.