Jerry Hey wrote:

What is stereo lithography?   Would you describe the process?   Jerry

It lays down a very small portion of hot liquid nylon to build up a part
a tiny piece at a time. It lays down one thin layer at a time and then the
table holding the part moves down a few thousands of an inch and a new layer
of nylon is laid down until the 3D part is complete.

It consist basically of an XY plotter and a movable base table.
There is also a device like a hot glue gun that melts the nylon thread.

Should really only cost $10,000 but the gov got ripped off IMHO.

Paul Lamar
 
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