https://www.rfhamdesign.com/downloads/br03plaat4m5dishmaten.pdf

https://www.rfhamdesign.com/products/spid-hr-antenna-rotators/rotator-accessoires/index.php

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FPD BR-03.pdf

Final dimensions and materials (Unsure - Adam)

1. Aluminum 6061-T6 Plate

2. Aluminum 6061-T6 Blocks (for machining)

3. Steel Pipe (A53?)