Porous devices made by laser additive manufacturing

This describes how to create spongy, porous objects using a laser and tiny metal particles. You lay down a thin layer of these metal particles, then a laser selectively heats and fuses them together, but without fully melting them. This process is repeated layer by layer, building up a 3D object with controlled internal channels, useful for filtering or precise fluid control.

Why it matters: Since 2016, industrial metal additive manufacturing technologies have become more precise and efficient. This makes the controlled creation of specific porous metal structures, as described, more economically viable and repeatable now.

Status: ExpiredProtection ended and was never renewed
How hard to build: SpecializedIndustrial laser 3D printer, metal powders.

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