Wood Filament for 3D Printing: What It Is and How It Works

Wood filament is a type of 3D printing filament made by mixing fine wood particles with a plastic base, usually PLA. It allows 3D prints to have a wood-like appearance and texture, giving objects a natural, wooden look.

How It Works

Wood filament works by combining tiny wood fibers with a plastic material, typically PLA (polylactic acid). When heated and extruded through a 3D printer nozzle, the plastic melts and binds the wood particles together, allowing the printer to create objects layer by layer.

Think of it like mixing sawdust into glue: the glue holds the sawdust in shape, but the sawdust gives the final product a wood-like feel and look. After printing, the object can be sanded or stained like real wood to enhance its appearance.

Example

This example shows a simple 3D printer G-code snippet to print a small wooden-textured cube using wood filament. The settings include a nozzle temperature suitable for wood filament and a moderate print speed.

gcode

; Start G-code for wood filament print
M104 S210 ; Set nozzle temperature to 210°C
M140 S60  ; Set bed temperature to 60°C
G28       ; Home all axes
G1 Z0.2 F3000 ; Move to start height
G92 E0    ; Reset extrusion distance
G1 F1500 E10 ; Prime the nozzle
; Print a 20x20x20 mm cube
G1 X20 Y0 Z0.2 F1500 ; Move to start position
G1 X20 Y20 Z0.2 E5 ; Draw first layer
G1 X0 Y20 Z0.2 E10
G1 X0 Y0 Z0.2 E15
G1 X20 Y0 Z0.2 E20
; Continue layers...

Output

No visible output; this code commands the 3D printer to print a small cube with wood filament at 210°C nozzle temperature.

When to Use

Wood filament is ideal when you want your 3D printed objects to look and feel like wood without carving or woodworking. It is great for decorative items, art pieces, prototypes with a natural look, and small furniture parts.

Use wood filament when you want a warm, organic finish and are willing to do some post-processing like sanding or staining. It is not suitable for high-strength or heat-resistant parts but perfect for aesthetic and lightweight projects.

Key Points

• Wood filament mixes wood fibers with plastic for a natural wood look.
• It prints like regular PLA but requires specific temperature settings.
• Post-processing like sanding improves the wood-like finish.
• Best for decorative and artistic 3D prints, not for heavy-duty use.

Key Takeaways

Wood filament combines wood particles with plastic to create wood-like 3D prints.

It requires printing at moderate temperatures, usually around 210°C for the nozzle.

Post-print sanding and staining enhance the natural wood appearance.

Ideal for decorative and artistic projects, not for structural parts.