intro to 3d printing - google montreal tech series
TRANSCRIPT
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Intro to 3D Printing... there’s more to it than yoda heads and plastic
frogs!
Alex Ruaux | [email protected] | @molecularcode | #3dprinting
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What is 3D printing?
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Additive process
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Types of 3D Printing
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3 main types:
Extrusion Deposition
Granular materials binding
Polymerization by light
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Extrusion Deposition:
FDM - Fused Deposition ModelingFFF - Fused Filament Fabrication
Solid Materials:themoplastics, rubbers, clay, silicone
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Granular Materials Binding:
Selective Laser Sintering (SLS)Direct Metal Laser Sintering
(DMLS)
Powdered Materials:metals, thermoplastics, ceramics
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Photopolymerization:
Digital Light Processing (DLP)Stereolithography (SLA)
Liquid Materials:photopolymer resins
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Form 1 printer
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How do I Print Something?
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digital file of the 3D model (.stl)
software program to ‘slice’ the
model
software program to talk to the printer
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But Where Do I Get The Models?
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model your own
traditional CAD (computer aided design)
parametric design (writing code)
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2D logo openSCAD toextrude vertically
MeshLab to position andmerge 2 .stl files
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3D scanning
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reconstruct from photos
Autodesk 123D Catch
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;Sliced D:\Downloads\Button.stl at: Fri 16 Nov 2012 22:22:17;Basic settings: Layer height: 0.2 Walls: 1 Fill: 70;Print time: 0:12;Filament used: 0.67m 5.75g;Filament cost: UnknownG21 ;metric valuesG90 ;absolute positioningM107 ;start with the fan offG28 X0 Y0 ;move X/Y to min endstopsG28 Z0 ;move Z to min endstopsG92 X0 Y0 Z0 E0 ;reset software position to front/left/z=0.0G92 E0 ;zero the extruded lengthG92 E0 ;zero the extruded length again;G1 X100 Y100 F9000G1 F9000;LAYER:0;TYPE:SKIRTG1 X74.484 Y100.0 Z0.2 F9000.0G1 X75.028 Y105.148 Z0.2 F1200.0 E2.0789G1 X76.424 Y109.749 E2.1522G1 X78.784 Y114.171 E2.2286
gcode
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Personal and Desktop
Manufacturing
5/7
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Instant-Gratification
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Customization
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Rapid-Prototyping
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And it’s just plain FUN!
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model asteroids and satellites as part of a display
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cases for the electronics of air quality testers
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the framework and outer
structure of robots
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life-sized animatronic
~600hrs of printing so far
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What is Being 3D Printed
Today?
6/7
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medicine
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weapons
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environment
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fashion
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Urbee 2
transport
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future engineering
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“As an additive, rather than subtractive, process, it uses
less material and is therefore lighter and
cheaper.”
“Enables the design and production of previously
difficult of impossible structures.”
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Is 3D Printing Over-Hyped?
Will It Become Mainstream?
7/7
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Better Design Programs
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Lower Cost
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Ease of Use
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Lower the minimum knowledge and effort required.
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Montreal 3D PrintingThursday 12th Dec,
6.30pmAtelier des Ingénieux7240 rue Clark, #201
and every 2nd Thursday at varying locations
www.meetup.com/Impression-3D-Montreal-3D-Printing
Alex Ruaux | [email protected] | @molecularcode | #3dprinting