Spinning Heart Gear Necklace (Print In Place)
thingiverse
A 3D printed geared heart necklace/pendant that rotates freely in place. I created this design based on the concept shown in this Thingiverse project (https://www.thingiverse.com/thing:662447), but I wanted to improve upon it by placing the hole for a chain or keyring at the bottom of the heart and making it horizontal instead of vertical. To achieve a smooth print, make sure you print on the front face with the gears visible, avoiding the support arms. The only overhangs should be the bridges shown in the second image. Depending on your 3D printer's specifications, the geared heart necklace/pendant may rotate freely without binding issues. However, I found that my printed version required some gentle encouragement to achieve a smooth spinning motion.
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