An-Magritt created these diamonds from a 3D printable paper templates pattern created by Kate from Mini Eco. You could add them atop a gift this holiday or to your tree. I would make a dozen diamonds and suspend them from an embroidery hoop to create a hanging installation. That's just me.
3D Diamond - So Fontsy
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How to Make an Origami Diamond (with Pictures) - wikiHow
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How to Make an Origami Diamond (with Pictures) - wikiHow
How to Make an Origami Diamond (with Pictures) - wikiHow