3D printed SO3 Drag Knife

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Probably this design could be milled.

SO3 drag knife.png

Forum discussion: http://www.shapeoko.com/forum/viewtopic.php?f=24&t=6335

Use a utility knife blade: http://www.shapeoko.com/wiki/index.php/File:StanleyBlade.stl [1]

OpenSCAD source: http://www.shapeoko.com/wiki/index.php/File:SO3_drag_knife.scad.txt



  • mending bracket
  • M3 nuts and bolts and washers
  • 1/4" metal rod
  • washers (h = 1, r=8)
  • 1/4" shaft collar (h = 8.25, r=7)
  • bronze thrust bearing (h = 19, r=4)
Wfa drag knife components.jpeg