found in i-net... Electron Microscope Imagery of 3D Printed Plastic Traces.

3D Printing
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1

found in i-net…
Electron Microscope Imagery of 3D Printed Plastic Traces.
Never saw printed traces like this.
http://www.protoparadigm.com/news-updates/scanning-electron-microscope-imagery-of-3d-printed-plastic-traces/