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A comment on Show HN: Open-Source Software for Designing 3D-Printable Luneburg Lenses for RF. Parent comment
I recommed you to read the research paper "Measuring the Electrical Properties of 3D Printed Plastics in the W-Band "
(https://scholarworks.uark.edu/cgi/viewcontent.cgi?article=10...)
It was really useful for us when developing our lens with an FDM printer. Be warn that it does require an infill of 100% , so it will be quite heavy.
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I recommed you to read the research paper "Measuring the Electrical Properties of 3D Printed Plastics in the W-Band "
(https://scholarworks.uark.edu/cgi/viewcontent.cgi?article=10...)
It was really useful for us when developing our lens with an FDM printer. Be warn that it does require an infill of 100% , so it will be quite heavy.