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Making a balisong knife out of empty mortar shell

Making a balisong (butterfly) knife from an empty mortar shell. #Balisong #KnifeMaking #DIY #Metalwork ...
engineericly on MSN

3D printed butterfly knife comb with clever design

Discover a butterfly style comb created with 3D printing. This creative everyday accessory combines a familiar folding design with practical functionality. #3DPrinting #DIY #Design ...