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3D3DAluminum shape.
It's hard to say what happened here. This thing came from the Boeing surplus store, which means it was meant to be something associated with something Boeing makes, but it didn't work out for some reason. See the next sample for an example where it's obvious why it didn't work out.
Source: Boeing Surplus Store
Contributor: Theodore Gray
Acquired: 11 August, 2007
Text Updated: 11 August, 2007
Price: $15
Size: 6"
Purity: 95%
Aluminum