J-Head extruder mounting bracket
thingiverse
This sits on top of the extruder mounting bracket and Greg's accessible extruder goes on top of this. The slot fits perfectly into the notch near the top end of the J-head. Instructions I made this for my GigaBot because it was missing from the kit. I made it from PLA. The original looks like it was made from fiberboard (as far as I could see from the pics). At first I was a little worried about the heat from the extruder, but it's been fine (It sits on top of an aluminum bracket which helps keep the top end of the extuder cool). Made it on a FlashForge with PLA. It took 3 tries, but it fits perfectly now.
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