Prusa MK3S Filament sensor add-on.

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Prusa MK3S Filament sensor add-on.

Prusa MK3S Filament sensor add-on.

We have now a design ready that will make it possible to use the new filament sensor that Prusa released with the MK3s with our upgrade for Prusa printers. You will need the new sensor and the parts that came with this. The design can be downloaded from our Github and printed by yourself in about 1 hour.
 
Link to Github
 
This video shows how the auto load / unload works:

6 thoughts on “Prusa MK3S Filament sensor add-on.

    • martin says:

      Using a stainless screw to mount the board fixes the problem with the magnet attracting to the screw as they are not so magnetic.
      We will update this in the instructions, thanks for letting us know!

      /Bondtech

  1. Kyle Shaw says:

    This is not an ideal design. The lever that actuates the sensor gets stuck in the activated position. I believe this is due to the magnet being attracted to the M3 bolts that connects the sensor to the housing.

    • martin says:

      Using a stainless screw to mount the board fixes the problem with the magnet attracting to the screw as they are not so magnetic.
      We will update this in the instructions, thanks for letting us know!

      /Bondtech

  2. Joey Nuggetz says:

    I’ve printed the cover for this a few times and I’m not sure if it’s supposed to snap on but mine doesn’t really lock in place. Just lays there and is prone to rattling. Can someone confirm if this is correct or if there’s an updated part that actually snaps on?

    • Joel Lennartsson says:

      Hi Joey,
      The original design required some precise tolerances to get a good snap, which was not ideal. In the Setup-guide: 05. Sensor Add-On for MK3s we link to a remix made by Wolfgang Schadow, with some improvements on the original design. I suggest you try out this version instead.
      /Bondtech

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