Yingcai Xiao 3D Printing. What and How Categories 3D Model Creation File Formats Printers...
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Transcript of Yingcai Xiao 3D Printing. What and How Categories 3D Model Creation File Formats Printers...
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Yingcai Xiao
3D Printing
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What and HowCategories
3D Model CreationFile Formats
PrintersApplications
ServicesChallenges
3D Printing
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• A manufacturing process• 3D objects• Additive (one layer at a time)• According to 3D models
http://3dprinting.com/what-is-3d-printing/#whatitis
What is 3D Printing?
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What is 3D Printing?
"Rapid prototyping slicing" by Materialgeeza - Own work. Licensed under CC BY-SA 3.0 via Commons - https://commons.wikimedia.org/wiki/File:Rapid_prototyping_slicing.jpg#/media/File:Rapid_prototyping_slicing.jpg
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• Additive: one layer at a time• Common methods for producing layers:
FDM, SLS, SLA• FDM: fused deposition modeling• SLS: selective laser sintering• SLA: stereolithography
How does it work?
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• Extrusion Deposit • Vat Photopolymerisation• Material Jetting• Binder Jetting• Powder Bed Fusion• Sheet Lamination• Directed Energy Deposition
Categories of Additive Manufacturing(American Society for Testing and Materials)
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Extrusion Deposit
"FDM by Zureks" by Zureks - Own work. Licensed under GFDL via Commons - https://commons.wikimedia.org/wiki/File:FDM_by_Zureks.png#/media/File:FDM_by_Zureks.png
• A.k.a: fused deposition modeling (FDM)
• Most commonly used• Prototyping• Inexpesive
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Extrusion Deposit
"Extruder lemio" by Lemio - http://reprap.org/wiki/File:Extruder_lemio.svg. Licensed under GFDL via Commons - https://commons.wikimedia.org/wiki/File:Extruder_lemio.svg#/media/File:Extruder_lemio.svg
• Structure of an Extruder • Demo of FDMhttps://youtu.be/WHO6G67GJbM
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Extrusion Deposit
Extrusion Materials•acrylonitrile butadiene styrene (ABS)•polylactic acid (PLA)•high-impact polystyrene (HIPS)•thermoplastic polyurethane (TPU)•aliphatic polyamides (nylon),•Polyether ether ketone (PEEK)•paste-like materials (ceramic, chocolate, …)
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• E.g.: Selective laser sintering (SLS)"Selective laser melting system schematic" by Materialgeeza - Own work. Licensed under CC BY-
SA 3.0 via Commons - https://commons.wikimedia.org/wiki/File:Selective_laser_melting_system_schematic.jpg#/media/File:Selective_laser_melting_system_schematic.jpg
Powder Bed Fusion
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• Selective laser sintering (SLS)• Developed in 1980s at UT Austin• Pattern expired 2014• Materials: metals, polymers, nylon• In powder form.• Un-melted powder becomes supporting
material.
Powder Bed Fusion
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Vat Photopolymerisation
"Stereolithography apparatus" by Materialgeeza - Own work. Licensed under CC BY-SA 3.0 via Commons - https://commons.wikimedia.org/wiki/File:Stereolithography_apparatus.jpg#/media/File:Stereolithography_apparatus.jpg
Examples:SLA (stereolithography)CLIP (Continuous Liquid Interface Production)
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Image source: CustomPartNet
Material Jetting
Image source: CustomPartNet
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Binder Jetting
Image source: additively.com
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• 3D Scanners e.g.: Kinect
• CAD (Computer-Aided Design) software e.g.: AutoCAD (free for students)http://www.autodesk.com/education/free-software/all
• Visualization softwaree.g. VTK
http://www.vtk.org/
3D Model Creation
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STL: STereoLithographyhttps://en.wikipedia.org/wiki/STL_%28file_format%29
•By 3D Systems•Triangulated surface meshes•ASCII or binary•No unit•No color
3D Print File Format
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3MF: 3D Manufacturing Formatwww.3mf.io•Geometries (Triangulated, NURBs, …)•Materials (Color, Texture, Composite)•Open source
3D Print File Format
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3D Print File Format
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3MF: 3D Manufacturing Format www.3mf.io•Microsoft•Consortium•https://github.com/3mfconsortium•Microsoft donated code reads STL/OBJ/3MF, writes 3MF•http://www.3mf.io/what-is-3mf/3mf-specification/
3D Print File Format
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3MF Example created by Kinect
Supported in Windows 10
3D Print File Format
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• Prusa (RepRap.org)• MakerBot Replicator• LulzBot TAZ• MakerGear• Formlabs • Ultimaker• Polymaker (printing materials)
3D Printers
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https://www.google.com/search?q=3D+printing&biw=1280&bih=689&source=lnms&tbm=isch&sa=X&ved=0CAgQ_AUoA2oVChMI3rKu4IWLyAIVi0mSCh1NwQpL
• Prototyping• Manufacturing (
cars, houses,..)• Arts• Entertainment• Medicine• Food• Personal
Applications
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Printing Services:•Sculpteo•Ponoko•Shapeways
3D Printing Services
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Model Services:•Pinshape•CGTrader•MyMiniFactory•Thingiverse•Yeggi
3D Printing Services
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•True color objects•Supporting curved objects in FDM•Voxelization (non smooth surface and internal fracture)
Challenges in 3D Printing
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SummaryInfographics by Sculpteo
http://3dprinting.com/what-is-3d-printing/#whatitis
http://3dprint.com