3D Printing Darien Library - Connecticutcomparing 24 printers which gives really good breakdown How...
Transcript of 3D Printing Darien Library - Connecticutcomparing 24 printers which gives really good breakdown How...
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3D Printing at
Darien LibraryJohn Blyberg & James McNutt @jblyberg @jmcnuttcase
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About Us
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Darien Library
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Darien Library • 45 minutes north of NYC • ~20,000 residents • 1 Branch • Association library • New construction (2009)
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Designing, Slicing and Printing
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Cathedral Video
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Computer-Aided Design
• Blender
• SketchUp
• FreeCAD
• OpenSCAD
• Sculptress
• TinkerCAD
• 123D Design
• 123D Sculpt
• 123D Creature
• Cubify Invent
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TinkerCAD Demo
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MeshLab Demo
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Thingiverse
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Slicers
• Replicator G
• Slic3r
• MakerWare
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How to Choose a 3D Printer?
Make just released an article comparing 24 printers which
gives really good breakdown
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How to Choose a 3D Printer?
Our experiences
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Materials• Chocolate
• Sugar
• Polyamide
• Ceramic
• Cement
• Alumide
• Bioplastics
• Cartilage
• Bone
• Gold, Steel, Brass… really just pick a metal
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Consumer Materials
• PLA
• ABS
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Printing Services
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Printing Services
• Shapeways $19.31
• I.Materialise $16.59
• Ponoko $46.45
• Sculpteo $26.51
• Kraftwurx $28.96
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History of Personal 3D Printing
• 1986 – First 3D Printing Patent
• 2005 – RepRap (Beginning of personal 3D printing revolution)
• 2009 – MakerBot founded
• 2012 – Fully assembled models
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Additive Manufacturing
1986
Charles Hull founds 3D Systems
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RepRap2005
The goals was to create a machine that could replicate
itself.
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MakerBot Cupcake
2009
MakerBot Cupcake came in a kit that could be
assembled in a few hours.
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MakerBot2012
Fully assembled 3D printers …and lots of them.
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Now3D Printing still favors the enthusiast who has time to figure out the quirks of her
machine
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Types of 3D Printers
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Fused Deposition ModelingThe printing method more commonly referred to as Extrusion Deposition was patented by S. Scott Crump in the early 1990s.
Fused Deposition Modeling’s (FDM) simplicity of design and relatively low materials-cost, in conjunction with RepRap’s open-source and collaborative effort begun in 2005, help explain both the recent 3-D printing boom and the availability of desktop models at your local public library.
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StereolithographyPatented by Charles Hull in 1986, stereolithography (or SLA) creates a 3D object through a photopolymerization process – essentially, curing a liquid resin with a UV laser.
An advantage of stereolithogaphy, as with many additive manufacturing processes, is its speed. The high cost of the machines themselves, as well as of the resin, make it a somewhat impractical method, however.
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Granular Materials BindingSelective Laser Sintering (SLS), Selective Laser Melting (SLM) and
Electron Beam Melting (EBM)
Selective Laser Sintering was first developed and patented by scientists at the University of Texas-Austin in late the 1980s. SLS is capable of printing in a variety of materials, including metal alloys, ceramics and polymers like nylon, and does not require the support structures most other methods do.
Selective Laser and Electron Beam Melting, unlike sintering, fully melt the granules during binding, creating a denser final product; though the technology is more recent, EBM in particular has found a place in the medical field, in the manufacture of titanium orthopedic implants.
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Laminated Object Manufacturing
Patented by Helisys, Inc. in 1998, Laminated Object Manufacturing (LOM) layers the build material – paper, plastic and even metal – cutting according to the object’s file and then adhering those layers together. Though 3D printing is a generally considered an additive manufacturing process, LOM shows some characteristics of traditional subtractive methods.
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3D Scanners
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Digitizer Demo
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3D Printing and Copyright Infringement
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–Cory Doctorow (Make)
“The wrong questions is, ‘Will 3D printers be used to infringe…?’
The right question is, ‘Whose problem will it be?’.”
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Legal Precedent
• 1976 – Sony sued for VCR
• 1984 – Betamax Rule
• 1998 – Digital Millennium Copyright Act
• 2000s – Napster
• 2005 – Inducement
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Dissuading Investment
While to-date no investors have been held responsible,
law suits have stymied investment.
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The Cutting Edge
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Medicine
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RobohandRichard Van As
Lost four fingers while operating woodworking machinery
Designs available on thingiverse.com
robohand.net
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Tracheal SplintDesigned to support
underdeveloped trachea
Made of bioplastic the body will absorb.
University of Michigan
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Joint Cartilage Scaffold
Structures on which cartilage can grow for
treating osteoarthritis and injuries
University of Wollongong
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Organ ModelsOperate before operating
University of Iowa
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Bone Implants
Oxford Performance Materials’ OsteoFab
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SkinUsing inkjet cartridges to
deposit dermal and epidermal skin cells on burn
wounds
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Andrew Reynolds
Ezra designs and prints prostheses for his son at the public library,
allowing him to give his son “independence” and
change his outlook from “I can’t to I can.”
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Art
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Engineering
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NASARatchet Wrench printed on
the ISS
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NASANickel-Chromium alloy rocket
injectors
makezine.com/go/rocketinjectors
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ORNLBig Area Additive
Manufacturing
Shelby Cobra
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Cost Effective Prototyping
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Business
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Brought 13 teams to Chattanooga, TN to further
develop their additive manufacturing businesses
Working to build manufacturing facilities.
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FeetzCustom shoes that conform
to your foot from a few pictures.
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Practicality
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DigitalMediaLab
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Darien's Digital Media Lab • Commodity vs. specialty computing • Heavily focused on analog to digital conversion • Provides professional-level tools to users • May be reserved for two-hour time blocks • Staff instruction is available
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DML vs Maker Space
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Maker Spaces Pros
• Strong interest • Existing expertise • Versatile • Fun • "Active" • Less Expensive • High profile/visibility
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Maker Spaces Cons
• Alignment with library's mission is not immediately apparent
• Can be messy • Achieving sustained usage can be a
challenge • Materials are an ongoing expense • Safety and liability are considerations
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Digital Media Labs Pros
• Can leverage existing technology expertise
• Can piggyback on existing infrastructure & service models
• More apparently in-line with the library's mission
• Broader demand among library users • Practical application for local businesses
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Digital Media Labs Cons
• More expensive • Requires high-level technical expertise • More intensive training for staff • More ongoing one-on-one work with
users • Equipment failure and replacement
create ongoing costs
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Budget?
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Staffing?
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Safety?
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Policy?
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Education?
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