Most of the rapid prototyping processes can create parts from multiple materials. The chart below provides a rough comparison of various applications and uses, based on an average rating of the materials used in the specific process. The lower the number the better the rating. See our
materials comparison
for more detail.
Accurate
1.00
1.00
1.00
1.13
2.00
Feature Detail
1.00
1.00
2.00
2.40
3.00
Strong
1.00
1.40
2.33
2.50
3.00
Smooth Surface
1.00
1.00
2.00
3.00
3.00
Functional Testing
1.00
1.00
1.67
1.88
3.00
Semi-transparent
Yes
Yes
Yes
No
No
Flexible Materials
Yes
Partial
No
No
No
Colors
Yes
Yes
Yes
No
No
Multiple Colors
Within Part
Yes
No
No
No
No
Stereolithography
Z Corp 3D Printing
Selective Laser Sintering
Polyjet
Fused Deposition Modeling
SLA (Stereolithography Apparatus)
– Process using photosensitive resins cured by a laser that traces the parts cross sectional geometry layer by layer. SLA produces accurate models with a variety of material choices.
SLS (Selective Laser Sintering)
– Process using a CO2 laser to sinter or fuse a powder material. The laser traces the parts cross sectional geometry layer by layer. SLS creates accurate and durable parts but finish out of machine is relatively poor.
FDM (Fused Deposition Modeling)
– Process using molten plastics or wax extruded by a nozzle that traces the parts cross sectional geometry layer by layer. FDM creates tough parts that are ideal for functional usage.
ZCorp (Z-Corp Three-Dimensional Printing)
– Ink-jet based process that prints the parts cross sectional geometry on layers of powder spread on top of each other. This process enables models to be built quickly and affordably. Models may also be printed in color.
PJET (Polyjet)
– This process is similar to stereolithography in that parts are made with a photosensitive resin. The difference is in how the resin is applied and cured to build the part.
Click here
for process material options.
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