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  • CountryBoy19

    Grandmaster
    Rating - 91.7%
    11   1   0
    Nov 10, 2008
    8,412
    63
    Bedford, IN
    If you've never bought smooth-on products before get ready to pucker up... IIRC cost on their platinum cured silicone products (likely what that guys used for his mold) is somewhere around $75/gallon...

    IMHO, if you're going to mess with casting why not do a lost-wax style casting with a 3D printed master? Takes a little more equipment (burnout/curing furnace & metal casting supplies) but you end up with a metal part.

    The rough process would be less labor intensive for a one-off type part. Print master (with sprue etc), dip in ceramic slurry, burnout/cure in oven, melt metal, pour into ceramic mold, break ceramic mold off, finish part....
     
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