3d printed waveguide

Discussion in '3D Printing' started by KD9GGZ, Sep 6, 2021.

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  1. KD9GGZ

    KD9GGZ Ham Member QRZ Page

    Anybody out there looked into 3d printing waveguide and then painting it with shielding paint.
  2. KA9JLM

    KA9JLM Ham Member QRZ Page

    What frequency are you shooting for ?

    What is the shielding paint made of ?

    Many 3D print materials will not last very long in sunlight.
  3. KD9GGZ

    KD9GGZ Ham Member QRZ Page

    I would like to be able to use it on 10 to 24 ghz and I don't know whats in the paint I found. I Do know the paint is from lowes hardware. And sunlight won't be a problem as it will be in a enclosed box
  4. KC6ETE

    KC6ETE Ham Member QRZ Page

    Shielding paint should be very lossy to do it's job well. There are Nickle based conductive paints that would likely work better.
    If you print in PLA you can then cast the part in Aluminum using "lost PLA"
  5. KD9GGZ

    KD9GGZ Ham Member QRZ Page

    I didn't think about casting it. I'll try printing first and conductive paint and see how it goes. I can always cast it later.

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