The Smell of Molten Projects in the Morning

Ed Nisley's Blog: Shop notes, electronics, firmware, machinery, 3D printing, laser cuttery, and curiosities. Contents: 100% human thinking, 0% AI slop.

The New Hotness

  • OMTech 60 W Laser: Magnetic Honeycomb Spikes

    When a cardboard base plate under metal spikes would pose a fire hazard, you can position magnetic spikes where they’re needed:

    Magnetic Honeycomb Spikes - acrylic
    Magnetic Honeycomb Spikes – acrylic

    The 12 mm neodymium magnet is slightly larger than a single honeycomb cell, so it wants to center itself atop a cell. The stainless steel button head screw sits in the magnet’s countersunk hole and protrudes just enough to make sure the spike doesn’t slide sideways unless you want it to:

    Magnetic Honeycomb Spikes - parts detail
    Magnetic Honeycomb Spikes – parts detail

    A cloud of combustible gas doesn’t pose a threat under there:

    Magnetic Honeycomb Spikes - MDF
    Magnetic Honeycomb Spikes – MDF

    The thin red beam comes from the targeting laser on the back of the nozzle.

    Storage is easy: just smush a handful of the things against the side of the laser cabinet:

    Magnetic Honeycomb Spikes - storage
    Magnetic Honeycomb Spikes – storage

    Buy all the parts in lots of 100 to have supplies for other adventures!