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Monday, December 17, 2012

The future of printing changes how you present

Look how far we've come with printing and 3D. Cindy, I think we'll need one of each.  We certainly can't be a progressive architecture firm without having cool toys. 

Source/Link: 
B1_It is Alive in the Lab

4ways

Part of our AU 2012 general session mentioned that there are four basic ways that items can get digitally manufactured:

  1. Additive manufacturing, like 3D printing
  2. Subtractive manufacturing, like CNC milling and laser cutting
  3. Robotic assembly
  4. Nanobiology, designing and making living things at the smallest scale imaginable

In addition to the general session, I attended Shaan Hurley and Evan Atherton's class on The Future of Making Stuff. Shaan presented a nice summary of six processes used for 3D printing.

  1. Extrusion
  2. Stereolithography (SLA)
    • Vat of liquid photopolymer resin cured with UV laser
    • Laser cures material in the cross section of current layer
    • Build tray drops down to allow resin to fill next layer
    • Layers typically between .002 inches to .006 inches
  3. Selective Laser Sintering (SLS)
    • Tray of powder resin
    • Laser heats up powder until it fuses with the powder around it
    • Build tray drops down and next layer of powder gets drawn over
    • Standard Resolution: .004 inches
  4. Fused Deposition Modeling (FDM)
    • Extrusion heads melt rolls of thermoplastics and deposit them in a cross section on a build tray
    • Build tray drops down and next cross section is extruded
    • Standard Resolution: .01 inches
  5. Plotjet
  6. Inkjet 3D

 

MethodMaterial
Type
Material
Color
Material
Cost
Print
Resolution
Print
Speed
Extrusion

ABS
or
PLA
plastics

one at a time inexpensive low quick
SLA resin one at a time expensive high quick
SLS powder one at a time high waste
for
small parts
good slower
FDM thermo-
plastics
limited inexpensive low slower
Polyjet resin opaque or transparent
but
limited selection
moderate super high slower
Inkjet 3D ink
and
powder
full color moderate good quick

3D Printing is alive in the lab.


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