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Lukes Laboratory

Euclid Probe Kit

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    Update! - All euclids are now 24v capable - whether your system voltage is 3.3v, 5v or 24v (replacing inductive probe) the euclid can handle it!

    The highly accurate and magnetically coupled Z probe for your 3D printer, laser and CNC machine. Check it out in action below.

    There are so many different bed sensing options out there, so why Euclid?

    • Direct Surface Sensing
      • Swap out your surface for glass, textured, PEI, PEX, Blue Tape, whatever! Euclid can sense them all
    • Reliable Probing
      • Even at a 10mm/s probe speed, standard deviation is .0021 in a sample size of 50 probes
      • Direct sensing of the bed - not affected by bed magnets, humidity,
      • No servo needed, no waiting between probes, no settle time - probe quickly and without failure
    • Reliable Deployment
      • Polarized Magnets for one-way docking
      • Circuit is completed through magnets - if docking fails for whatever reason, printer can detect and error
      • Atomized docking components are pre-made for any application - simply add geometry to attach to your machine and enjoy tried&tested geometry
    • Durable
      • Switches are standard industrial switches used in a wide variety of applications
      • Docking the probe allows significant toolhead clearance when not in use
      • No moving parts are installed while machine is in use - nothing to get caught during an errant print or if the sensing pin decides to drop and catch things on its own



    • 2x Euclid PCB's
    • 2x Polarized Magnet Pairs
    • 4x Flathead Screws for magnet mounting
    • 1x JST-XH 3position header
    • 1x Omron Switch


    Check out the github here:

    All purchases support the original creator

    Installation notes:

    The holes for installing the board on the printer are sized for m2.5 screws. There is enough PCB space to drill out for m3 clearance hole.