Metal Casting at Home Part 77 Lost PLA/Greensand Casting for the Myfordboy 3D Printer
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Channel: myfordboy
Views: 1,242,949
Rating: 4.8902359 out of 5
Keywords: Prusa, Mk3i, Extruder body, Extruder, aluminium, aluminum, furnace, forge, smelting
Id: HVgPM1ojyLw
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Length: 12min 59sec (779 seconds)
Published: Wed Jun 13 2018
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I wonder why the part was cast first in plaster, and then that mold was put into greensand? Couldn't you just pour the metal into the plaster cast?
too heavy.
OP here, I should be clear that this is not my work I just found it and thought it was cool.
Source: Evil Mad Scientist Linkdump: September 2018
Polymaker makes a cool filament specifically for this that can be smoothed with IPA. Really cool application of 3d printing!
Nice job! Few questions though:
does PLA vaporize? There is hardly any dust after heating it in the plaster.
if so, can you use molten aluminium and pour it directly on the PLA print covered in greensand?