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

  • Vacuum Tube Lights: Urethane Coated Plate Cap

    With a generous dollop of JB Plastic Bonder left over from a set of Bafang brake sensor magnets, I tried coating the ersatz plate cap of a triode tube:

    Triode - urethane coated plate cap
    Triode – urethane coated plate cap

    That’s the result after leaving it hanging upside-down while it cured to push all the drips to the top.

    For comparison, the uncoated cap back in the day:

    Triode - plate cap plug
    Triode – plate cap plug

    Seeing as how the urethane is an adhesive, not a coating, I’d say it looks about as bad as expected.

    As with all 3D printed things, one must embrace imperfections and striations, rather than endlessly strive for perfection.

    Now, if I had a resin printer …