Bosch Palm Router Circle Jig GKF12V
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An extendable circle jig for the Bosch GKF12V that fits on smaller print beds
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Model information
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- Printables
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- Tools
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- Creative Commons — Attribution
I needed to cut a circle but only have a Prusa Mini+ to print on and shortening the length of mrjoda's model to fit my bed meant I couldn't cut large enough circles so instead I re-combined the pieces together and then broke them into more extendable pieces. It will fit on a Prusa Mini bed now and can be extended as long as is needed.
It's designed for M4 hardware, you'll need the hardware from your original baseplate plus:
2x M4 nuts for the tip
2x M4 bolts for the tip, I believe I used 16mm but you can go longer
2x M4 nuts per pair of arms that you print
2x M4 bolts per pair of arms that you print, the same length as for the tip
1x M4 heatset insert for the nut
1x M4 nut for the pinholder
1x M4 bolt 20mm or longer for the pinholder
So the minimum BOM is:
5x M4 nuts
4x M4 bolts 16mm or longer
1x M4 heatset insert
1x M4 bolt 20mm or longer
You'll need to heatset the insert into the knob, the nuts are all press-fit, the nut in the pinholder is just so that the bolt stays tight even if you fully remove the knob.
Print 1 of everything to get started, if you need to go longer just print extra pairs of larm and rarm.