Lost PLA casting

What are you making?
1

This was done today. Lost PLA casting of a human heart in aluminum. I’m thinking I want to do a translucent red coating.

IMG_20190128_135455
IMG_20190128_135455.jpg4048×3036 3.17 MB
IMG_20190128_135502
IMG_20190128_135502.jpg4048×3036 3.4 MB
IMG_20190128_135510
IMG_20190128_135510.jpg4048×3036 2.28 MB
IMG_20190128_135515
IMG_20190128_135515.jpg4048×3036 3.24 MB
IMG_20190128_135535
IMG_20190128_135535.jpg4048×3036 2.54 MB
IMG_20190128_135540
IMG_20190128_135540.jpg4048×3036 2.63 MB

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2

I want to learn how to do this. I bet casting small pewter figurines or jewelry with this technique would make a fun monthly 2 day class.

3

I bet casting small pewter figures would look good on a DnD map…

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4

The trick is to make a large gate on top to give the melted PLA somewhere to go. I think for the next one I do, I’ll hot glue a block of styrofoam onto my PLA piece. It will just flash away when the hot metal goes in, and will leave a reasonably large space for what’s left of the PLA. When the casting is cooled, I can just cut off whatever metal is left in the gate.

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5

Another example: https://www.youtube.com/watch?v=HVgPM1ojyLw

1 Like