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Summer of Surprises – Week Eight: 15% off Steel Read more »
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Bronze is an alloy consisting primarily of copper. Bronze is an affordable material for printing models in metal, strong and used by mankind for ages already. A PU coating can be added and provides extra protection to tarnish.
Ships as of 10 business days

Design Specifications

Minimum Wall Thickness
0.6 mm
Minimum Details
0.35 mm
Accuracy
Minimum accuracy ±5% (including finish and geometry variables)
Average accuracy ±2% ( around ±0.1 mm)
Maximum Size
88 x 63 x 125 mm
Clearance
0.3 mm
Interlocking or Enclosed Parts?
No

Pricing Info

The price of Bronze is directly related with the volume of the model to print. There is a flat fee for small models up to 8 grams (±1 cm³). There is no extra charge for PU coating.

Typical Use

Bronze can typically be used for detailed miniatures, sculptures, jewelry or preprint tests (e.g. to form-fit before ordering Gold or Silver).

Technology

Wax 3D printing and lost wax casting

Wax 3D printing and lost wax casting are used to build your design when using this material. The wax printing process is a type of Stereolithography that uses a wax-like resin. Support structures are printed along with the model to make sure your model doesn’t fall apart. These support structures are automatically generated and manually removed after the printing process. After support structures are removed and your model is cleaned, the model can be prepared for casting.

First, one or more wax sprues will be attached to your model. Next, it will be attached with the sprue to a wax ‘tree’, together with a bunch of other models. The tree is then placed in a flask and covered in a fine plaster. When the plaster solidifies, it forms the mold for casting the Bronze. The plaster mold is then put in an oven and heated for several hours to a point where the wax is completely burned out.

Then, the molten Bronze is poured in to fill the cavities left by the wax. Once the Bronze has cooled and solidified, the plaster mold is broken and the Bronze models are removed by hand. Finally, your model is filed and sanded to get rid of the sprues. It will be sanded, polished or sandblasted for the finish you desire.

Additional Information

  • Structures such as a “ball within a ball” cannot be made with this process.
  • Links of chains for example can also not be made with this process.
  • Bronze oxidates or tarnishes if not PU coated or varnished

Sample Kit

Learning about our materials is one thing, seeing and touching them another. That's why we've designed sample kits based on our Periodic Table of Materials.

Bronze – Natural Uncoated Sample Kit Natural Uncoated Bronze $ 25.20
Bronze – Natural PU Coated Sample Kit Natural PU Coated Bronze $ 25.20
Bronze – Polished PU Coated Sample Kit Polished PU Coated Bronze $ 25.20

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