Electric toothbrush - 3x AA batteries

thingiverse

Why spend hours printing one when you can buy an electric toothbrush? This amazing device converts your regular old toothbrush into a powerful, vibrating electric toothbrush! For those who don't want to waste time moving their hand back and forth or are willing to get creative with some soldering, this is the perfect solution. List of things needed: - A regular toothbrush - An M5 bolt for securing the tip and toothbrush head - Six long M3 bolts for assembling the frame - One short M3 bolt for closing the cap - Springs for the battery pack - Metal for making serial connections in the battery pack - Wires to connect the motor and switch - Three AAA batteries - An on/off switch - A weight for balancing the motor - This DC motor or a similar one: https://www.ebay.com/itm/DC3V-12V-23000RPM-High-Speed-Carbon-Brush-Mini-280-DC-Motor-Magnetic-DIY-Toy-Car/302511996425?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649 - Optional but highly recommended: silicone caulk or similar for sealing the device and making it waterproof To assemble the toothbrush, print the frame, connect the motor with an off-center weight to a switch, then link the switch and motor to the battery pack where three AAA batteries are connected in series for a total of 4.5 volts input. Next, insert an M5 rod into the head of a regular toothbrush and attach it to the tip. Your electric toothbrush is now ready to use!