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STL Files

Please note - these are only general guidelines and may not work or produce the best possible STL files. Please consult your user's guide for more information.
STL is a file format native to the stereolithography CAD software created by 3D Systems. This file format is supported by many other software packages. It is widely used for rapid prototyping and computer-aided manufacturing. STL files describe only the surface geometry of a three dimensional object without any representation of color, texture or other common CAD model attributes.
 
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Below are some guideline for expanding to STl form various CAD packages
 

 SolidWorks
1. File > Save As
2. Set Save As Type to STL
3. Options > Resolution > Fine > OK
4. Save
 ProE
1. File > Export > Model (or File > Save a Copy)
2. Set type to STL
3. Set chord height to 0. The field will be replaced by minimum acceptable value.
4. Set Angle Control to 1
5. Choose File Name

 CADKey
1. Choose Stereolithography from Export options
2. Enter the Filename
3. Click OK
 AutoCAD (Versions: R14-2000i)
Design must be a three-dimensional solid object
1. Make sure the model is in positive space
2. At the command prompt type “FACETRES”
3. Set FACETRES between 1 &10. (1-low resolution and 10-high resolution for STL Triangles)
4. Next, at the command prompt type “STLOUT”
5. Select Objects
6. Choose “Y” for Binary
7. Choose Filename
 ProE Wildfire
1. File > Save a Copy > Model
2. Change type to STL (*.stl)
3. Set Chord Height to 0. The field will be replaced by minimum acceptable value.
4. Set Angle Control to 1
5. OK
 SolidEdge
1. File > Save As
2. Set Save As Type to STL
3. Options
4. Set Conversion Tolerance to 0.001in or 0.0254mm
5. Set Surface Plane Angle to 45.00
6. Save
 Alibre
1. File
2. Export
3. Save As > STL
4. Enter File Name
5. Save
 Inventor
1. Save Copy As
2. Select STL
3. Choose Options > Set to High
4. Enter Filename
5. Save
 IronCAD
1. Right Click on the part
2. Part Properties > Rendering
3. Set Facet Surface Smoothing to 150
4. File > Export
5. Choose .STL
 I-DEAS
1. File > Export > Rapid Prototype File > OK
2. Select the Part to be Prototyped
3. Select Prototype Device > SLA500.dat > OK
4. Set absolute facet deviation to 0.000395
5. Select Binary > OK
 Mechanical Desktop
Use the AMSTLOUT command to export your STL file.  
 Rhino
1. File > Save As
2. Select File Type > STL
3. Enter a name for the STL file.
4. Save
5. Select Binary STL Files
 SolidDesigner (Version 8.x)
1. File > Save
2. Select File Type > STL
3. Select Data
4. Click OK
 SolidDesigner (not sure of version)
1. File > External > Save STL
2. Select Binary mode
3. Select Part
4. Enter 0.001mm for Max Deviation Distance
5. Click OK
 Think3
1. File > Save As
2. Set Save As Type to STL
3. Save
 Unigraphics
1. File > Export > Rapid Prototyping
2. Set Output type to Binary
3. Set Triangle Tolerance to 0.0025
4. Set Adjacency Tolerance to 0.12
5. Set Auto Normal Gen to On
6. Set Normal Display to Off
7. Set Triangle Display to On
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