Lost Foam Casting

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- A metal casting technique where a plastic foam (such as polystyrene) object cut to resemble tje desired object is placed in greensand, then metal is poured through a spout leading to the buried 3D Print. The metal the melts and burnes out the plastic foam. This leaves a clean (hopefully) metal cast

- Is more easily repeatible than origional object to green sand empty cavity casting, but is still not a "permanent mold"

- Can introduce some more problems than origional object to green sand empty cavity casting due to the plastic not melting/burning completely, or this process causing the metal to cool to quickly

- Is simlilar to Lost PLA Casting


By "The King of Random"

- This Video Casting a Gear

- This is another video of theirs demonstrating the technique

See Also

- Lost PLA Casting

- Digital lost wax for metal casting

Useful Links