機器
3d
3d printer
3d printing
background
blue
closeup
computer
create new
creating
detail
device
electronics
engineering
figure
filling
future
gray
improvement
isolated
lab
making
manufacturing
material
metal
mirror
model
modeling
modern
object
plaster
print
printer
produce
production
reflection
reflective
robotics
science
subject
surface
tech
technician
technology
threedimensional
tool
top view
view
volume
work