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Dual hidden blade

Materials used
  • Ball bearing slide (mine was 25 cm / 10 inch)
  • Nuts and bolts
  • Rivets
  • 2 springs (from 2 pens)
  • Solid copper wire
  • 2 (key)rings
  • String
  • Sheet of metal
  • Metal glue (epoxy)
  • 2 rubber bands
  • 2 (corner)brackets
Tools used
  • hacksaw
  • soldering iron
Patterns
    Templates