Black Nylon 11 Information

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Black Nylon 11 Black Nylon 11
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Black Nylon 11 is no longer available at Shapeways because it did not meet our quality standards.
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Design Guidelines for Black Nylon 11

The rules to follow in order to create successful products in Black Nylon 11. Read more on model checks

Rules

Max bounding box 200 × 200 × 200 mm

For us to be able to make a product, each of its pieces must fit within these dimensions.

For Black Nylon 11, the maximum bounding box is determined by the size of the printer we use to create your product. To ensure the successful creation of your product, make sure the bounding box fits within our maximum limit. If it does not, you can try scaling it down, removing unnecessary features to reduce the bounding box, or consider another material with a bigger maximum bounding box.

To ensure the successful creation of your product, make sure the bounding box fits within our maximum limit. If it does not, you can try scaling it down, removing unnecessary features to reduce the bounding box, or considering another material with a bigger maximum bounding box.

Min bounding box X + Y + Z > 7.5 mm

For us to be able to make a product, each of its pieces must be bigger than these dimensions.

For Black Nylon 11, the minimum bounding box is determined by our ability to successfully cast very tiny products.

To ensure the successful creation of your product, make sure the bounding box of your model is larger than our minimum. If it is not, you can try scaling it up, thickening, combining, or enlarging parts and features, or trying a material with a smaller minimum bounding box.

Recommendations

Thickness Minimum 0.7 mm thick
Suggested 1.0 mm thick

For Black Nylon 11, the minimum thickness is determined by our ability to successfully clean your product once it has been removed from the printer. Features that are too thin often break when the product is removed from the powder bed, or when excess dust is removed from the product. To ensure the successful creation of your product, make sure the features are thicker than the minimum requirement. If they are not, try making them thicker, or consider a material with a smaller minimum thickness requirement.

Design tips

Prevent walls from warping on larger models

Large models with thin walls may warp depending on the geometry of the part. The material is sintered at a high temperature, and then it cools down to room temperature making it shrink. This shrinkage can create stress inside the material that may cause warping. Some geometries (e.g. large flat parts, open boxes) are more sensitive to warping than others. Making your design more stiff (increasing torsional rigidity) will reduce the risk of warping. Longer walls need to be thicker than short ones.

Min embossed detail 0.75 mm for readable text

A detail is a feature whose length is less than twice its width.

The minimum detail is determined by the printer's resolution. When detail dimensions are below the minimum, the printer may not be able to accurately replicate them. Details that are too small can also be smoothed over in the polishing process. To ensure details come out clearly, make them larger than the indicated minimum. We may refrain from printing products with details smaller than the minimum, since the final product will not be true to your design. If your product has details smaller than the minimum, try making them larger, removing them, or considering a material with finer detail.

Design tips

Thicker models are more difficult to bend

Flexibility depends on the structure and design of the model. The thicker you make something, the less flexible it will be. A spring made with 1mm wire will compress and elongate rather easily. A spring made with 3mm thick will take a bit more effort, and won’t compress if you drop it from a few feet.

Min escape holes 4.0 mm diameter for one escape hole


2.0 mm diameter when there are two or more escape holes
Required for products bigger than 50 x 50 x 50 mm.

Escape holes allow unbuilt material inside hollow products to be removed.

When products contain hollow cavities, they are often filled with powder even after they are removed from the build tray. If escape holes are not large enough, or the geometry of the product makes it difficult to shake or blast the powder out, we cannot successfully clean it. This is especially important for our water-based dyeing process as models cannot be successfully dyed if they cannot be successfully cleaned inside and out.

To ensure a successful, cleanable product, make sure to include sufficiently large escape holes for each hollow cavity in your product. Multiple escape holes are recommended for large hollow parts. A single escape hole at the end of a cavity will not allow material in the corners near the escape hole to fully escape; so, multiple escape holes at both ends of the cavity are recommended. If your escape holes are insufficient, try enlarging them, adding more, or filling in the hollow space.

A single escape hole at the end of a cavity will not allow material in the corners near the escape hole to fully escape. So we recommend multiple escape holes at both ends of the cavity.

Clearance 0.5 mm clearance

Clearance is the space between any two parts, walls or wires.

Black Nylon 11 plastic is printed with an SLS process that uses a laser to fuse together nylon powder. When there is a very small gap between features or parts, partially fused powder can get stuck in between. This can prevent mechanical parts from moving, or fill in intended gaps between features.

To ensure a successful product, make the clearance between parts, walls, and wires greater than the indicated minimum. If your clearance is too small, try making the gap bigger, or consider fusing the parts or features if their independence is unnecessary. You can also try a material with a smaller minimum clearance.

Interlocking and enclosed parts?

Yes.
Black Nylon 11 plastic is printed with an SLS process that uses a laser to fuse together nylon powder. This enables interlocking parts, as long as the distance between them is greater than the indicated minimum.

Multiple parts per model file? Yes.

More On Designing for Black Nylon 11

Material Traits
Thicker models are more difficult to bend

Flexibility depends on the structure and design of the model. The thicker you make something, the less flexible it will be. A spring made with 1mm wire will compress and elongate rather easily. A spring made with 3mm thick will take a bit more effort, and won’t compress if you drop it from a few feet.

Print lines or "Stepping"

Depending on the shape of your model and orientation in the print tray, you might see print lines, or “stepping” phenomena on your model, which is a natural artifact of 3D printing using the SLS process. SLS printing works by printing layer by layer, and while our layers are around 0.12mm thin, there is a "step" between each layer, much like a staircase.

Shrinkage and Warping

Due to the color and material difference, Black Nylon 11 warps and shrinks more than our White Strong & Flexible plastic, so expect a lower tolerance. Part geometry greatly affects the shrinkage. Small, thick section parts will shrink more than larger, thin section parts.

Material Info

Look and feel

This material is made of laser sintered black nylon powder, which gives it a rich black color and a rough surface finish. Because the actual material is black, as opposed to being dyed like our “Black Strong & Flexible”, the color won’t fade with wear.

Handling and care
This material
  • not watertight
  • not recyclable
  • not foodsafe
How it's 3D printed

To 3D print in this material, we start with a bed of Nylon powder and sinter the powder with a laser layer by layer, solidifying the powder as we go. Because of this layer by layer process, some products may see a staircase effect. How much you see this effect depends on how your model is oriented in the print tray. Our production planners are working hard to orient models optimally to ensure efficient and good lookin' trays.


Disclaimer:
Please note that the 3D printed products are intended for decorative purposes. They are not suited to be used as toys or to be given to underage children. The products should not come into contact with electricity and be kept away from heat. Our materials, except for Porcelain, are not food safe.
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