I had a couple of switches from Amazon lying around and needed something that had a smaller footprint.
Amazon link: https://www.amazon.com/gp/product/B07QQ21CZD/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
the cutout made was 44mm x 34.5mm, the overhang should cover the hole nicely and hold up the button box
The author marked this model as their own original creation.