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Technology Comparison
| | Stereolithography (SLA) | Fused Deposition Modeling (FDM) |
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Equipment
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(2) 3D Systems SLA 250
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Stratasys FDM 400mcTM
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Build Envelope
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10x10x10
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14x10x10
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Uses
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- Fit, form, limited functional testing
- Appearance models
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Fit, form, limited functional testing, fixtures, DDM (Direct Digital Manufacturing)
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Build Layers
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- High Resolution 0.0025" - 0.004"
- Normal Resolution 0.004" - 0.006"
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Normal Resolution 0.007"
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Minimum Wall Thickness
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0.020in
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0.040in
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Finishing Options
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- Strip and ship
- Functional finish
- "Production-like" finishing and decorating options
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As built
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Materials
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DSM Somos® WaterClear Ultra 10122
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- ABS-M30 (white, black, blue, red, and gray available)
- PC (white)
- PC-ABS (black)
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Tolerances
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- "X/Y" axis, +/- .005" for the first inch and +/- .001" per inch thereafter
- "Z" axis, +/- .01" for the first inch and +/- .002" per inch thereafter
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"X/Y/Z" axis, +/- .005" for the first inch and +/- .002" per inch thereafter
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Lead Time
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As little as two to three business days
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As little as two to three business days
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