This is a box for an arcade stick using a Sanwa style joystick and 28mm buttons.
https://www.amazon.com/gp/product/B07H7GF337/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Hardware for joystick mounting is #8x3/4 screws washers and locknuts
Hardware for attach case bottom and feet is #6 self tapping screws and #8 washers

Sized to print on Ender 3