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Contents
Preface
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6
1
Introduction to the DLP
®
3D Printer Reference Design
.............................................................
7
1.1
.................................................................................................................................
7
1.2
Stereolithography
............................................................................................................
7
1.3
How the DLP 3D Printer Reference Design Works
.....................................................................
7
1.3.1
DLP Structured Light SDK
.........................................................................................
7
1.3.2
Photo-resins
........................................................................................................
7
1.3.3
DLP LightCrafter™ 4500 Evaluation Module
....................................................................
7
1.3.4
Velmex XSlide™ Translation Stage
..............................................................................
7
1.3.5
Mechanical Structure
...............................................................................................
8
1.3.6
DLP 3D Printer Microcontroller
....................................................................................
8
1.3.7
Front Panel User Interface
........................................................................................
8
1.3.8
DLP 3D Printer Graphical User Interface
........................................................................
8
1.3.9
Object Layer Images
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8
2
Installing the DLP
®
3D Printer Reference Design
......................................................................
9
2.1
.................................................................................................................................
9
2.2
Future Technology Devices International D2XX Driver Installation
...................................................
9
2.3
Downloading the DLP 3D Printer Reference Design
..................................................................
13
2.4
Installing the DLP 3D Printer Reference Design
.......................................................................
13
3
Using the DLP
®
3D Printer Reference Design
.........................................................................
17
3.1
................................................................................................................................
17
3.2
Programming The MSTP Cape
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17
3.3
Preparing The Hardware For Printing
...................................................................................
21
3.4
Printing An Object
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27
4
Building the DLP
®
3D Printer Reference Design from Source
..................................................
34
4.1
................................................................................................................................
34
4.2
Qt Creator Installation
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34
4.3
OpenCV Build and Installation
............................................................................................
41
4.4
DLP 3D Printer Reference Design Project File Setup
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52
5
DLP
®
3D Printer Design Considerations
................................................................................
56
5.1
................................................................................................................................
56
5.2
Hardware Design
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56
5.2.1
Illumination Source
................................................................................................
56
5.2.2
Build Orientation
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56
5.2.3
Build Envelope And Voxel Resolution
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58
5.2.4
Build Platform
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59
5.2.5
Mechanical Structure
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59
5.3
Microcontroller Firmware Design
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59
5.3.1
State Machine
.....................................................................................................
59
5.3.2
Communications With The PC
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60
5.3.3
Motor Drive Functionality
.........................................................................................
60
5.3.4
LCD Interface
......................................................................................................
60
5.4
DLP 3D Printer GUI Design
...............................................................................................
60
5.4.1
DLP Structured Light SDK
.......................................................................................
60
2
Contents
DLPU025 – September 2014
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