A YouTuber named Modelkitsdeluxe turns an electric toothbrush into a mini grinder in a video. This unusual idea resulted in a practical tool that is also suitable for other applications.
As seen in the video, the matching toothbrush head has been modified so that it can hold small grinding wheels. Because of this, the factory designed a new head on TinkerCAD and printed it using a 3D printer. He used an adhesive to attach sandpaper to his build. However, polishing cotton can also be attached.
According to YouTubers, the transformer is ideal for grinding small model parts. But it may also be useful in 3D printing, for example for smoothing surfaces. However, compared to traditional milling tools, the improvised solution is less precise.
However, the project impressively demonstrates how everyday objects can be reused with simple means and a little creativity. An old toothbrush can be turned into a useful tool in no time at all.
Over at Instructables, Modelkitsdeluxe has a guide to building it published.
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