Print in PLA with only one perimeter and as little infill as you can get by
with, print all the sprues and vents as one part with the pattern too. Then all
you have to do is pack the print tightly in sand then pour in the molten metal
to burn out the plastic. Look up lost PLA casting. With really fine sand you
can make metal castings that look like they were made on an FDM printer.
I really need to get my 3D printer working again so I can print the parts to
CNC my old Unimat lathe.
On Monday, June 14, 2021, 9:04:42 PM MDT, John Dammeyer
<jo...@autoartisans.com> wrote:
Thank you for posting that.
So in the places where I'd make a pattern and cast from scrap aluminium you 3D
print the part.
Very nicely done!
John
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