keystone desk hub
thingiverse
Simple Keystone Desk Hub. Designed for a 28mm thick desk - feel free to remix it to your needs I used a 70mm drill saw from amazon to cut the hole https://www.amazon.de/gp/product/B095H5L7SM/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1
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