The author remixed this model.
I modified this Garmin Varia mount because I wanted to use a China Garmin mount insert with fusible nut.
https://de.aliexpress.com/item/1005005908975841.html?spm=a2g0o.order_list.order_list_main.5.165e5c5fkbvNQe&gatewayAdapt=glo2deu