Arcade stick made with parts from SJ@JX Arcade Game 2 Player Controller DIY Kit
I bought it here :
https://www.amazon.pl/dp/B08R9ZP3BV?psc=1&ref=ppx_yo2ov_dt_b_product_details
Bottom and main body should be connected by usual wood screw
I designed it as standalone controller and it also fit for my fully printed arcade machine available here:
https://makerworld.com/pl/models/41939