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E3D Plenum Plate is held in position by a tab on each of its ends

Hot fin can be printed in higher temperature material like ABS or Polycarbonate to better resist heat. Another strategy is to have spare hot fins pre-printed, but higher temp material is recommended option.

Two M2 x 12 mm screws attach hot fins to extruder body

Just seat and slightly snug the M2 screws. They are threading directly into plastic.

E3D Plenum Plate is omitted and special hot fin used if Mosquito hot end is installed.

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