CFR 3D Printing Service

3D printing with continuous fiber reinforcements. Strength
of machined parts & in your hands faster.

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Continuous Fiber Reinforcement

CFR process starts with FDM 3D printing, which forms the outer shell and infill of the part using a nylon composite, typically a thermoplastic filled with short-strand chopped carbon fibers. A secondary nozzle is then used to lay long-strand continuous fibers to reinforce the part, similar to rebar in concrete.

Capabilities & Standards



Maximum Build Size:

330 x 270 x 200 mm (12.99" x 10.63" x 7.87")

Dimensional Accuracy:

± 0.5% with a lower limit on ± 0.5 mm (0.0196")

Layer Height (with Fiber):

100-125 µm

Layer Height (no Fiber):

50-200 µm

Percent Infill:

28-55% or 100%

Standard Lead Times:

1 Day

Printing Media:

Plastics/fiber reinforcements

Internal Part Geometry:

Closed cell infill with continuous fiber reinforcement

Post Processing:

Support material is removed such that the supported surface has a consistent finish

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CFR Design Guidelines

The table below is a summary of the recomemended minimum size for the most commonly encountered features in CFR 3D printing.


Minimum Size

Unsupported Walls:

0.8 mm (0.0315")

Supported Walls:

0.8 mm (0.0315")

Minimum Feature:

2.0 mm (0.00787")

Hole Diameter:

2.0 mm (0.00787")

Fiber Reinforced Walls:

3.0 mm (0.00787)