ColorFabb Special BRONZEFILL 3D Printer Review (2026): A Spec-Based Look
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This colorfabb special bronzefill 3d printer review focuses on a filament that blends PLA with genuine bronze powder. You get a material that prints like standard PLA but offers a heavy, metallic finish. The two defining specs are its 1.75mm diameter with ±0.05mm tolerance and its high density of approximately 3.9 g/cm³. This combination allows you to create solid, cool-to-the-touch parts that look cast rather than printed. It is designed for users who want the ease of PLA processing with the visual appeal of metal for display pieces.
What stands out
- Prints at speeds up to 60 mm/s with a 1.75mm diameter
- High density of ~3.9 g/cm³ for heavy, solid parts
- ±0.05mm dimensional accuracy for consistent performance
- Polishable surface reveals a true metallic bronze luster
- Glass transition temperature of ~55°C for stability
Who it fits
Good fit for
You should choose this filament if you are creating statues, model props, or jewelry where visual appeal matters. It suits users who want the ease of PLA printing but desire a metallic look without casting. The high density and polishable surface make it ideal for art and design pieces. It works well in setups that allow for slower print speeds around 50 mm/s and hardened nozzles. If you need consistent dimensional accuracy for detailed displays, this blend delivers the necessary precision.
Who should skip it
You should look at another option if you need high-temperature resistance. The glass transition temperature is only ~55°C, meaning parts may deform in warm environments. It is not suitable for functional mechanical parts requiring strength or heat tolerance. If you prefer fast printing, the recommended speed is limited to 40–60 mm/s for best results. You might also skip this if you do not want to post-process your prints, as polishing or brushing is required to reveal the bronze finish.
Verdict: This filament is a solid choice for decorative projects that require a metallic look and heavy feel. It delivers reliable PLA-like printing with a unique bronze finish that stands out in displays.
ColorFabb BronzeFill Key Specs Explained
Filament Diameter: 1.75mm
This is the standard width for most consumer 3D printers. You can load this spool into almost any desktop machine without needing special adapters. It ensures smooth feeding through the extruder. If your printer uses 2.85mm filament, you must choose the larger size variant. This diameter is the most common choice for general hobbyists and makers.
Dimensional Accuracy: ±0.05mm
This tolerance level means each layer and strand is very close to the target size. You get consistent extrusion with fewer clogs or under-extrusion issues. This precision helps your prints hold tight tolerances for functional parts. It is comparable to other high-quality PLA filaments. You can trust this consistency for detailed models and interlocking pieces.
Net Weight: 750g
This spool holds 750 grams of material, which is a standard size for many brands. It provides enough filament for several medium-sized projects. You can estimate print volume by comparing this weight to your model's mass. It is lighter than 1kg spools but offers more material than small 600g options. This size balances cost and usage for regular users.
Material Type: PLA
The base material is PLA, which is known for being easy to print. You get low warping and minimal odor during the process. This makes it suitable for indoor use without special ventilation. The bronze powder is mixed into this PLA base. You still benefit from PLA's reliability while achieving a unique metallic finish on your final objects.
Max Print Speed: 60 mm/s
The data recommends a print speed between 40 and 60 mm/s. Printing at this slower pace helps the bronze powder adhere evenly. You avoid surface defects and ensure a smooth finish for polishing. Faster speeds might cause uneven texture or poor layer bonding. This speed setting is ideal for achieving the best visual quality for display pieces and art.
Material Density And Spool Build
This material blends PLA with genuine bronze powder, according to the listing. You get a dense composite with a density of roughly 3.9 g/cm³. The heavy feel mimics cast metal, while the base polymer ensures standard PLA handling. You do not need exotic settings to feed it. The filament maintains a ±0.05mm tolerance on its 1.75mm diameter. This tight dimensional accuracy helps prevent jams and ensures consistent layer adhesion. You can rely on the spool to drive smoothly through most extruders without frequent feeding issues.
The spool itself measures 8.27 inches wide, 8.98 inches long, and 2.91 inches high. It weighs 1.65 pounds, which includes the 750g of net filament. This bulk suggests a sturdy package designed for stable storage. You can keep it in a dry place to maintain print quality. The brown color reflects the metallic content inside. It does not change how the printer interprets the toolpath, but it signals the unique finish you will achieve.
You should use a hardened nozzle to protect your hardware from the abrasive bronze particles. The listing recommends a print speed around 50 mm/s for best results. This slower pace allows the heavy material to lay down evenly. You can polish or brush the surface after printing to reveal the bronze luster. This post-processing step transforms a standard plastic print into a piece that looks like aged metal. It suits decorative items, jewelry, and display props where visual appeal matters more than pure structural strength.
Setup And Daily Use Guide
Loading this filament requires no special adapters. The 1.75mm diameter fits standard extruders on most desktop printers. You must select the correct spool size from the three available options. The listing notes a 2.85mm variant, so verify your printer’s input before starting. Storage is critical for this composite. The product data advises keeping the spool in a dry place. Bronze powder can absorb moisture, which may affect print quality. You should use a hardened nozzle. The abrasive nature of the bronze particles will wear standard brass nozzles quickly. This is a practical necessity for extended use. Printing settings are straightforward. You can treat this material like standard PLA. The recommended bed temperature sits between 50°C and 60°C. The nozzle temperature range is 190°C to 220°C. For best results, the listing suggests lowering your print speed to around 50 mm/s. This slower pace helps with surface quality. Enable retraction to prevent stringing. After printing, you can polish or brush the surface. The bronze powder allows you to reveal a metallic luster. You can also apply a clear coat to prevent oxidation. The dimensional accuracy of ±0.05mm ensures consistent layer adhesion. This tolerance helps you achieve smooth, cast-like parts without excessive post-processing. Daily use involves managing the weight. The 750g spool is heavy. Ensure your printer’s build plate can handle the load. The dense material adds substance to your prints, making them feel solid and cool to the touch. This makes it ideal for display pieces and jewelry.
Before You Buy BronzeFill
You need a hardened steel nozzle for this filament. The bronze powder is abrasive and will wear standard brass nozzles quickly. Plan to upgrade your hardware before loading the spool. You should also set up a dry storage solution. PLA absorbs moisture, and the metal content can make issues worse if the filament is damp. Keep the spool sealed when not in use. This material sits alongside standard PLA options but requires more care. It is heavier and denser, so you may need to adjust your slicer settings for speed and retraction. Check that your printer handles the extra weight without straining the extruder gears. You should also consider post-processing tools. Sandpaper and polishing compounds are necessary to reveal the metallic luster. A clear coat helps prevent oxidation over time. This is not a set-and-forget material. It demands attention to nozzle choice and environmental conditions to succeed.
Check before you buy
- Verify you have a hardened steel nozzle ready for installation
- Confirm your printer handles the 3.9 g/cm³ density without strain
- Ensure you have dry storage to keep the filament moisture-free
- Check that your slicer supports low speeds around 50 mm/s
- Gather sandpaper and polishing compounds for post-print surface finishing
The product at a glance
ColorFabb BronzeFill PLA 1.75mm 750g
Best for: metallic art, jewelry, and display pieces
- Material Type
- PLA
- Filament Diameter
- 1.75mm
- Net Weight
- 750g
- Max Print Speed
- 60 mm/s
- Dimensional Accuracy
- ±0.05mm
- Dimensions
- 8.98 × 8.27 × 2.91 inches
View on Amazon: ColorFabb BronzeFill PLA 1.75mm 750g Affiliate link
This filament blends PLA with genuine bronze powder to create heavy, metallic-looking prints. It offers a 1.75mm diameter with ±0.05mm dimensional accuracy and a net weight of 750g. You can polish the surface to reveal a bronze luster. It prints at speeds up to 60 mm/s with a recommended nozzle temperature of 190–220°C. This material suits you if you want cast-like visual appeal for art or jewelry.
Pros
- Blends PLA with genuine bronze powder for a metallic appearance
- Polishable surface reveals a bronze luster after sanding and buffing
- Dimensional accuracy of ±0.05mm ensures consistent performance
- Printable at speeds up to 60 mm/s
- Net weight of 750g provides substantial material volume
Cons
- Glass transition temperature is only ~55°C
- Requires a hardened nozzle to prevent wear from bronze powder
- Limited to brown color options
Good fit if
- You want to create art or jewelry with a cast-metal look
- You need high dimensional accuracy for detailed display pieces
- You are comfortable polishing prints to reveal the bronze finish
Skip if
- You require high-temperature resistance above 55°C
- You prefer multi-color printing options
- You want to print without using a hardened nozzle
Verdict: ColorFabb BRONZEFILL Bronze PLA delivers a unique metallic finish for detailed art and jewelry. You should choose this filament if you prioritize visual appeal and are willing to polish the surface for the best results.
Specifications side by side
| Spec | ColorFabb BronzeFill PLA 1.75mm 750g |
|---|---|
| Material Type | PLA |
| Filament Diameter | 1.75mm |
| Net Weight | 750g |
| Max Print Speed | 60 mm/s |
| Dimensional Accuracy | ±0.05mm |
| Dimensions | 8.98 × 8.27 × 2.91 inches |
| Weight | 1.65 pounds |
| Size | 1.75 mm Diameter/750 g |
| Color | Brown |
| Model | 90-175-372 |
Frequently asked questions
Can I print ColorFabb BronzeFill with a standard brass nozzle?
You should avoid using standard brass nozzles. The filament contains genuine bronze powder, which is abrasive. This abrasive nature will wear down brass tips quickly. You need a hardened steel nozzle to handle the material properly. This upgrade protects your printer hardware and ensures consistent extrusion over time.
What size spool does the ColorFabb BronzeFill PLA come in?
The product listing specifies a 750g spool size. The filament diameter is 1.75mm. This is the standard width for most consumer 3D printers. You can load this spool into almost any desktop machine without needing special adapters. It ensures smooth feeding through the extruder for reliable prints.
Is ColorFabb BronzeFill suitable for jewelry making?
Yes, it is best for metallic art, jewelry, and display pieces. The material delivers a unique metallic finish for detailed work. You should choose this filament if you prioritize visual appeal. The dense composite mimics cast metal. You may need to polish the surface for the best results.
How heavy is a spool of BronzeFill filament?
A spool weighs 1.65 pounds. This includes the filament and the packaging. The net weight of the plastic is 750g. The spool dimensions are 8.27 inches wide, 2.91 inches high, and 8.98 inches long. This size fits standard printer setups easily.
What color does BronzeFill print as?
The filament prints in a brown color. It blends PLA with genuine bronze powder. This creates a dense composite with a heavy feel. The finish mimics cast metal. You get a metallic look straight off the print bed, though polishing may enhance the effect.
Do I need to dry BronzeFill before printing?
You should set up a dry storage solution. PLA absorbs moisture from the air. Moisture can cause stringing or poor layer adhesion. Proper drying helps maintain print quality. This is a standard practice for PLA-based filaments to ensure smooth extrusion and strong final parts.