rail connector for 4040 solar mounting extrusion

slide in connector to connect two 4040 extrusion rails used in solar panel mounting
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updated June 9, 2023

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These connectors are available usually in aluminum but I think for smaller scale use a printed version should be ok. Don't put to much load on it, it's still plastic. 
It's a snug fit and good stability in the first tests.

Printed in ASA. Don't use PLA, it will bend in the sun.

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