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3D Printing, 1. What are 3D printers?, 2. What and how do they print? -…
3D Printing
3D printers
same principle with 2D printers
but with an extra dimension
printers that print in three dimensions
3D
image
interpreted as a stack of thin slices
slices
printed on top of the other
most 3D printers
Slices
(thin layer of
liquid
)
squirted out, then
hardened
immediately
surface lowers, process repeated
Stock (raw material)
usually a spool of
plastic
can be
metal
or
wax
some 3D printers
use
powdered
material
commonly plastic
(
metal, ceramic
)
laser
tracing the shape of slices
heating -> powder sticks together
surface lowers, process repeated
Usages of 3D printers
inventors
easily build models
doctors
make custom fit treatment plans for patients
astronauts
no waiting
everyday products
with 3D printers at hand
all you need is raw material
1. What are 3D printers?
2. What and how do they print?