Many of us have used regular business card holders in the past. While many folks store business card information online these days, there are some folks who still keep physical business cards around. This electronic 3D printed business card holder might be useful for those folks. It has a SG90 servo, 8 magnets for movable panels on each side, and 3D printed parts.
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John Sambrerra’s video gives you a better idea how this digital business card holder works.
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