Etsy seller Wearableplanter has a wide range of 3D printed planters: rings, jewelry — even bicycle vases! They’re intended for use with succulents, small flowers, and sprouts. They’re watertight and translucent, and you can see the roots through the material. A Wearable Planter ( via Wil Wheaton )
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Wearable planters: 3D printed translucent jewelry, with plants!