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E3D Hemera Filament Runout/Presence Sensor 3D Printer File Image 1
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E3D Hemera Filament Runout/Presence Sensor

BrendonBuilds avatarBrendonBuilds

March 23, 2025

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Description

A simple filament runout/presence sensor for the E3D Hemera, inspired by the clever solution found in the BoxTurtle by Armored Turtle (https://armoredturtle.xyz/). So far it has been as reliable as it is simple. It also pairs nicely with the BoxTurtle! Available in two orientations to support different mounting requirements.

Orientation A on the left, Orientation B on the right

 

Installation

Assembly requires removal of the heatsink to install the modular base. It is STRONGLY recommended that all PTFE tubing have the ends chamfered.

 

Required Parts

  • E3D Hemera, direct-drive
  • MR63ZZ Bearing
  • PC4-M10 Pneumatic Connector
  • D2GW-A03D Omron switch
  • 17.25mm of PTFE tubing between the Hemera and sensor, chamfered (Capricorn XS Tubing recommended)
  • M2 configuration requires M2 threaded heat-set inserts

License:

GNU General Public License v3.0

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