While I have no clue how 3D Printing works, the ecological implications are not lost on me. The last thing anyone wants is landfills on landfills as the inability to properly handle this potential windfall of consumer goods with either a biodegradable or other sustainable solution like recycling is scary. If there was a way to convert plastic into some sort of gas / oil to be used for fuel or energy that would definitely propel many components of 3D Printing to the mainstream.
All of these devices are interesting, particularly Rundercover, but its pretty clear that consumers are not going to be duped by hype any more. If a product has promise and is selling it will enjoy its 3 year lifecycle in the tech / fitness world (unless it innovates), otherwise its not going to make it.
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