Secretly Tag 3-D-Printed Objects With InfraStructs – IEEE Spectrum

Terahertz scanning used to image hidden 3D structures within 3D printed objects by detecting the solid-air interfaces. The system developed by Microsoft Research and presented at Siggraph 2013, can be used to encode identifiers for object recognition, or information associated with the object.

Secretly Tag 3-D-Printed Objects With InfraStructs – IEEE Spectrum.

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