The eSUN PLA-Wood Walnut Wood 1.75mm 1kg 3D Printer Filament is a premium decorative composite filament engineered to capture the rich, dark, earthy tones and fibrous feel of natural walnut timber. Combining high-quality polylactic acid (PLA) with finely milled virgin wood fibers and advanced foaming technology, this filament produces a low-density, matte-textured surface that naturally diffuses light to conceal layer lines. Finished prints can be easily post-processed like authentic hardwood—including sanding, carving, staining, and varnishing—making it the perfect choice for artisanal craftwork, scale architectural prototypes, and vintage home décor.

Specification

• Brand / Manufacturer: eSUN
• Product Name: PLA-Wood Filament
• Color Profile: Walnut Wood (Rich Dark Brown / Deep Timber Tone)
• Filament Diameter: 1.75mm (Dimensional accuracy within ±0.03mm)
• Net Weight: 1.0 kg (2.2 lbs) spool
• Base Polymer Matrix: Modified Polylactic Acid (PLA) infused with organic wood flour / fibers
• Recommended Extruder / Nozzle Temperature: 190°C to 220°C (Optimal 200°C - 210°C)
• Recommended Heated Bed Temperature: 45°C to 60°C (Can also be printed on unheated beds with build tape/adhesion aids)
• Printing Speed Range: 30mm/s to 60mm/s
• Cooling Fan Speed: 100% (Full part cooling recommended)
• Tensile Strength: Approx. 30 - 35 MPa
• Elongation at Break: Approx. 10% - 15%
• Flexural Modulus: Approx. 2600 - 3000 MPa
• Heat Deflection Temperature (HDT): Approx. 50°C to 52°C (at 0.45 MPa)
• Spool Material: Eco-Friendly Recyclable Cardboard or Plastic Spool
• Printer Compatibility: Fully compatible with open-source and enclosed desktop FDM 3D printers, including Bambu Lab, Creality, Anycubic, Prusa, Elegoo, Kingroon, and Artillery.

Features

• Rich Walnut Hardwood Aesthetic: Infused with natural plant-based wood fibers that provide a warm, dark timber finish with an organic tactile feel and zero plastic glare.
• Superior Layer Line Concealment: The unique fibrous micro-texture and light-diffusing matte finish naturally disguise layer lines, giving completed models an authentic hand-carved appearance.
• Authentic Woodworking Post-Processing: Printed parts can be sanded, filed, drilled, sawed, and treated with oil- or water-based wood stains, varnishes, and sealants to achieve custom antique patinas.
• Temperature-Induced Tonal Variation: Adjusting the hotend extrusion temperature within the 190°C to 220°C range subtly alters the brown hue, enabling programmatic simulation of natural wood growth rings and grain variation.
• Low Warping and Strong First-Layer Adhesion: Low thermal shrinkage ensures flat, reliable first-layer bonding to textured PEI sheets, glass beds, and PC surfaces without corner warping or lifting.
• Eco-Friendly with Pleasant Aroma: Releases a pleasant, faint natural wood aroma during extrusion with zero toxic fumes or irritating chemical odors.
• Neat Precision Machine Winding: Even layer-by-layer spool winding prevents tangles, overlaps, and feed jams during long print runs.

Common Applications

• Artisan Sculptures & Decorative Busts: Printing carved-style statues, vintage chess sets, detailed tabletop gaming scenery, and ornamental crafts.
• Architectural & Landscape Models: Fabricating realistic timber framing, scale building components, and detailed architectural mockups.
• Home Décor & Acoustic Products: Crafting decorative indoor planter pots, desk organizers, retro-style speaker baffles, vintage radio housings, and picture frames.
• Cosplay Props & Antique Replicas: Building realistic sword hilts, wand replicas, antique gun stocks, tool handles, and wearable artisan props.

Professional Installation and Maintenance Tips

• Use a 0.4mm or 0.6mm Nozzle: While standard 0.4mm nozzles can be used, a 0.5mm or 0.6mm nozzle provides superior flow reliability and prevents potential micro-fiber clogs during long continuous prints.
• Avoid Idle Hotend Heat Soak: Do not leave the nozzle sitting at printing temperature when the printer is idle, as stagnant wood fibers in the melt zone can char and cause nozzle blockages.
• Sand and Polish for Depth: Lightly sand the model using progressive sandpaper grits (150 to 400 grit) to expose the raw organic wood fibers, then apply a clear timber wax or wood stain to deepen the contrast and texture.
• Store in a Dry Environment: Wood composite filaments are naturally hygroscopic and absorb atmospheric moisture more quickly than standard PLA. Store the spool in a sealed vacuum bag with silica desiccant, or pre-dry at 45°C to 50°C for 4 to 6 hours if popping or surface stringing occurs.