Parts for Duoband 145MHz & 435MHz Yagi Antenna

by aab60, published

Parts for Duoband 145MHz & 435MHz Yagi Antenna by aab60 Mar 8, 2017
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These are 3D printed parts to enable quick and easy assembly of a particular duoband Yagi antenna, the design for which can be found here. The design has been developed in collaboration with the amateur radio league in Nepal.

The parts enable the antenna elements to be quickly positioned on the boom without a need to measure out exactly where they should go.

Print Settings


UP! Box






less than or equal to 0.2mm


greater than or equal to 70%


Increasing the infill will create a more robust part. Increasing resolution will be helpful, especially if your aluminium tube's diameter is not especially uniform. Print orientation is best in the orientation already used in the STL files here.

These objects have long flat bases - depending on your printer's capabilities, it is recommended to pre-heat the bed, or if your bed is not heated, use BuildTak or equivalent techniques to prevent warping and peeling.

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"Duoband 145MHz & 435MHz Yagi Antenna by aab60'
Antenna was designed by DK7ZB famous german ham and antenna designer. Who the f**k is "aab60" ???

Hi mosfet,

If you wish to learn more about the design of the antenna, please refer to the link provided in the summary. As stated, this collection of parts is intended to aid easy and accurate assembly of this particular popular antenna design. This page is not intended to take credit for the actual design of antenna - I hope no offence has been caused.

Is there a file missing? The boom joiners?
In you photo they look to be the internal red parts.
If so could you please upload the missing joiners
How do the booms lock together are there some
sort of pins that go into the slots in the boom section?


The booms are intended to slide onto a piece of appropriately size aluminum U/C section, so there are no joiners. The slots are just to make it easier to remove support material. However, it would be cool to have a fully 3DP boom - maybe a remix in order?