Found one 1s sbu 1 3d models

cults
free
...controler f3 + receiver frsky sbu: https://www.banggood.com/racerstar-f3d8-16x16mm-micro-f3-flight-control-board-built-in-8ch-subs-receiver-for- frsky-x9d-plus-p-1136734.html? p = ld020411878172015024...