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Hi Bob,
Like many manufacturers, we have been making use of 3D printing for several years,
specifically for rapid prototyping of mechanical assemblies. These take data directly
from our 3D CAD systems. The high-end systems are still expensive and there are
third party 3D print houses that you simply email your data to and they will send
you back a model. However, with the advent of systems such as V-Flash,
RapMan and the BFB-3000, entry level systems are now well within the reach of
smaller enterprises or home machinists.
There are some DIY solutions available as well for those who enjoy tinkering.
Systems that scan an existing object and create, say, an STL file for import into
a 3D printer are already ubiquitous in industry.
Will they accompany astronauts on future voyages to destinations such as Mars?
It would be certain that planners would be giving them serious consideration.
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