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The following 3D printing and additive manufacturing technologies referenced in this guideline include Fused Deposition Modeling (FDM), Selective Laser Sintering (SLS), Multi Jet Fusion (MJF), Stereolithography (SLA), and PolyJet (PJ). See details.


Design Guidelines Additive Manufacturing & 3D Printing

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fathom WALL
THICKNESS
HOLE
DIAMETER
CLEARANCE
FOR 3D PRINTED
ASSEMBLIES
ESCAPE
HOLES
MINIMUM
DETAIL
PIN
DIAMETER
Z
ACCURACY
XY
ACCURACY
STANDARD
LAYER
THICKNESS1
FDM 1 mm 1.6 mm 0.5 mm - 0.5 mm for
0.127 mm Slices
2 mm XY Accuracy Plus
Additional Tolerance of
-0.000/+ Slice Height
+/- .127 mm (.005 in)
or +/- .002 mm/mm (.002 in/in)
(Whichever is Greater)
.25 mm
(.010")
SLS 0.7 mm 1 mm 0.5 mm 5 mm 0.7 mm 1 mm +/- 0.3 mm or 0.3%
(Whichever is Greater)2
+/- .3 mm (.012")
or -0.03%
(Whichever is Greater)2
.12 mm
(.005")
MJF 0.7 mm 1 mm 0.5 mm 5 mm 0.4 mm 1 mm +/- 0.5 mm or 0.5%
(Whichever is Greater)2
+/- .3 mm (.012") on XY
or =/- 0.3%
(Whichever is Greater)2
.08 mm
(.003")
SLA 1 mm 0.5 mm 0.5 mm 5 mm 0.5 mm 1 mm +/- 0.2 mm (.008")
or .002%
(Whichever is Greater)
+/- .2 mm (.008")
or 0.002%
(Whichever is Greater)
.1 mm
(.004")
PJ 1 mm 0.5 mm 0.4 mm - 0.4 mm 1 mm +/- 0.2 mm (.008")
or .002 mm/mm
(Whichever is Greater)
+/- .2 mm (.008")
or .002 mm/mm
(Whichever is Greater)
.03 mm
(001")

*All values are dependent on overall geometry, part function, and build orientation.

1 FATHOM's standard layer thickness per technology.

2 Values Can Increase For Solid Parts With Wall Solid Parts With Wall Thickness Over 5mm


Minimum Features for PolyJet

Same-Day & Next-Day Services

Matte Vs. Glossy for PolyJet


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