Michael Rees wrote:
"The cross sections can be printed out very large, constrained only by
the width of large scale black and white architectural printers."
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Another way to do it is to substitute a hot wire nib for a pen point
in an old flatbed x-y plotter and just plot the profiles/layers
directly in the styrene sheet. You could keep a pen in one of the
positions to mark the layer numbers on the sheets to help keep them in
order, that way registration marks and/or pin holes would be easy to
include.
Don't like hot wire? Use an old dentist's drill, Dremel tool, air
grinder, etc. to cut the sheet stock.
A wire EDM machine could be used to cut the styrene sheet by modifing
the machine to heat the wire instead of applying electric current
discharge. Of course you could always use the EDM machine as it was
intended to make the model out of metal.
Or how about modifing a sewing machine to make a sheet metal nibbler
style machine that uses tiny punches to cut or perforate the sheet
stock.
But then there are always the water jets, plasma torchs,
airstream/abrasives and lasers to cut with...
Sincerely,
Larry Blasch
Systems Administrator for Engineering Services
OPW Fueling Components Voice: (513) 870-3356
P.O. Box 405003 Fax: (513) 870-3338
Cincinnati, OH 45240-5003 USA
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