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Fused Deposition Modeling (FFF)

·  High Accuracy

·  Repeatability

·  Variety of Thermoplastics

·  High Temp, Medical Grade, Food Grade options

FDM Design Guidelines

For more complete FDM material data, please see the Stratasys data sheets below:

This data is provided for the convenience of our customers. It does not on its own represent a sufficient basis for any part design, nor does it provide any agreement about or guarantee the specific properties of a product or part or the suitability of a product or part for a specific application. It is the responsibility of the producer or customer of a part to check its properties as well as its suitability for a particular purpose. This also applies regarding the consideration of possible intellectual property rights as well as laws and regulations. The data are subject to change without notice.

NOTE FOR ENGINEERS: when using the data below, remember that FDM materials are NOT isotropic, they are ORTHOtropic. That is, they have different material properties in different directions.

Please note that these are are GUIDELINES, not hard and fast rules. Follow these and you should be in pretty good shape, but we'll let you know if we see any problems.

Parameter Inches Millimeters
Maximum part size 36 x 24 x 36* 914 x 609 x 914*
Expected Tolerance +/- 0.2%** +/- 0.2%**
Minimum Supported Wall Thickness 0.040 1.00
Minimum Unsupported Wall Thickness 0.020 0.50
Minimum Supported Bosses 0.040 1.00
Minimum Unsupported Bosses 0.020 0.50
Minimum Embossed Detail (Height and Width) 0.040 1.00
Minimum Engraved Detail (Height and Width) 0.040 1.00
Clearance Between Parts/Bodies 0.020 0.50

*Build volume is up to 36 x 24 x 36 inches. Larger models can be made in sections and pieced together after printing.

**FDM tolerances are some of the highest 3DP tolerances for large parts due to geometric stability. Minimum tolerance is +/- 0.005 in.

Standard Materials