>it's still bound to a surface, and effectively just a 2D monochrome image prese... | Hacker News

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jere on Dec 3, 2014 | parent | context | favorite | on: A 3D haptic shape using ultrasound that can be see...

>it's still bound to a surface, and effectively just a 2D monochrome image presented with pressure instead of light.

I don't follow you. inFORM looks like a heightmap, yes, but this claims to be a volumetric shape.

spb on Dec 17, 2014 [–]

> this claims to be a volumetric shape.

From the implementation, you can clearly tell it isn't, though. There'd be no way to feel the underside of that sphere.

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