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BOSCH GKF 12V-8 Circle Jig — image 1
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BOSCH GKF 12V-8 Circle Jig

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This is an improved version of https://www.thingiverse.com/thing:4111887 to reach tighter radiuses

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Model information

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Tools
License
Creative Commons — Attribution

This is an improved version of https://www.thingiverse.com/thing:4111887 to reach tighter radiuses.

 

With a Ø6mm bit, it's now possible to reach a minimum of 13mm internal radius (cut a disc of Ø26mm) or 19mm external radius (cut a cutout of Ø38mm).

 

I modified the original follower as well (I'm using a steel pin instead of a simple nub in the 3D model) to be used as it's easier to remove when you do not need super tight radii.

 

The knob is “star_grip_screw_m5” from https://www.thingiverse.com/thing:845951 

 

You will need :

  • a hexagonal bolt M5x20
  • a M5 nut
  • a small length of Ø3mm steel axle for the pin
  • an additional M4x8 screw with a chamfered head (in the groove in front of the router bit)

 

Printing :

  • PLA
  • 20% infill
  • 0.4mm nozzle
  • 0.2 layer height

 

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