It’s that time of year again where we talk about how disappointed we are with the poor performance of the current crop of 3D printing stocks, pinning our hopes on the next generation of 3D printing startups to fulfill the promise of the much-hyped technology.

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The latest publicly traded 3D printing company, SmileDirectClub ( SDC ), cut its teeth on selling invisible plastic aligners to give people the perfect smile. No one who bought the company’s stock after it debuted in September at a valuation of $8.9 billion is smiling now. Its current market cap is now below $4 billion, and while revenue is up, net losses are way, way up.

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We’ll leave it to other analysts to chew over the strategy of a company whose entire business model is based on helping people straighten their teeth using 3D-printed aligners. After all, there are only so […]

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